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• Case Study | Definition, Examples & Methods

Case Study | Definition, Examples & Methods

Published on 5 May 2022 by Shona McCombes . Revised on 30 January 2023.

A case study is a detailed study of a specific subject, such as a person, group, place, event, organisation, or phenomenon. Case studies are commonly used in social, educational, clinical, and business research.

A case study research design usually involves qualitative methods , but quantitative methods are sometimes also used. Case studies are good for describing , comparing, evaluating, and understanding different aspects of a research problem .

Table of contents

When to do a case study, step 1: select a case, step 2: build a theoretical framework, step 3: collect your data, step 4: describe and analyse the case.

A case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject. It allows you to explore the key characteristics, meanings, and implications of the case.

Case studies are often a good choice in a thesis or dissertation . They keep your project focused and manageable when you don’t have the time or resources to do large-scale research.

You might use just one complex case study where you explore a single subject in depth, or conduct multiple case studies to compare and illuminate different aspects of your research problem.

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Once you have developed your problem statement and research questions , you should be ready to choose the specific case that you want to focus on. A good case study should have the potential to:

• Provide new or unexpected insights into the subject
• Challenge or complicate existing assumptions and theories
• Propose practical courses of action to resolve a problem
• Open up new directions for future research

Unlike quantitative or experimental research, a strong case study does not require a random or representative sample. In fact, case studies often deliberately focus on unusual, neglected, or outlying cases which may shed new light on the research problem.

If you find yourself aiming to simultaneously investigate and solve an issue, consider conducting action research . As its name suggests, action research conducts research and takes action at the same time, and is highly iterative and flexible. 

However, you can also choose a more common or representative case to exemplify a particular category, experience, or phenomenon.

While case studies focus more on concrete details than general theories, they should usually have some connection with theory in the field. This way the case study is not just an isolated description, but is integrated into existing knowledge about the topic. It might aim to:

• Exemplify a theory by showing how it explains the case under investigation
• Expand on a theory by uncovering new concepts and ideas that need to be incorporated
• Challenge a theory by exploring an outlier case that doesn’t fit with established assumptions

To ensure that your analysis of the case has a solid academic grounding, you should conduct a literature review of sources related to the topic and develop a theoretical framework . This means identifying key concepts and theories to guide your analysis and interpretation.

There are many different research methods you can use to collect data on your subject. Case studies tend to focus on qualitative data using methods such as interviews, observations, and analysis of primary and secondary sources (e.g., newspaper articles, photographs, official records). Sometimes a case study will also collect quantitative data .

The aim is to gain as thorough an understanding as possible of the case and its context.

In writing up the case study, you need to bring together all the relevant aspects to give as complete a picture as possible of the subject.

How you report your findings depends on the type of research you are doing. Some case studies are structured like a standard scientific paper or thesis, with separate sections or chapters for the methods , results , and discussion .

Others are written in a more narrative style, aiming to explore the case from various angles and analyse its meanings and implications (for example, by using textual analysis or discourse analysis ).

In all cases, though, make sure to give contextual details about the case, connect it back to the literature and theory, and discuss how it fits into wider patterns or debates.

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• Case Interview: A comprehensive guide
• Pyramid Principle
• Hypothesis driven structure
• Fit Interview
• Consulting math
• The key to landing your consulting job
• What is a case interview?
• Types of case interview
• How to solve cases with the Problem-Driven Structure?
• What to remember in case interviews
• Case examples or building blocks?
• How do I prepare for case interviews
• Interview day tips
• How we can help

1. The key to landing your consulting job.

Case interviews - where you are asked to solve a business case study under scrutiny - are the core of the selection process right across McKinsey, Bain and BCG (the “MBB” firms). This interview format is also used pretty much universally across other high-end consultancies; including LEK, Kearney, Oliver Wyman and the consulting wings of the “Big Four”.

If you want to land a job at any of these firms, you will have to ace multiple case interviews.

It is increasingly likely that you will also have to solve online cases given by chatbots. You might need to pass these either before making it to interview or be asked to sit them alongside first round interviews.

Importantly, case studies aren’t something you can just wing . Firms explicitly expect you to have thoroughly prepared and many of your competitors on interview day will have been prepping for months.

Don’t worry though - MCC is here to help!

This article will take you through a full overview of everything you’ll need to know to do well, linking to more detailed articles and resources at each stage to let you really drill down into the details.

As well as traditional case interviews, we’ll also attend to the new formats in which cases are being delivered and otherwise make sure you’re up to speed with recent trends in this overall part of consulting recruitment.

Before we can figure out how to prepare for a case interview, though, we will first have to properly understand in detail what exactly you are up against. What format does a standard consulting case interview take? What is expected of you? How will you be assessed?

Let's dive right in and find out!

Professional help

Before going further, if this sounds like a lot to get your head around on your own, don't worry - help is available!

Our Case Academy course gives you everything you need to know to crack cases like a pro:

Case Academy Course

To put what you learn into practice (and secure some savings in the process) you can add mock interview coaching sessions with expereinced MBB consultants:

Coaching options

And, if you just want an experienced consultant to take charge of the whole selection process for you, you can check out our comprehensive mentoring programmes:

Explore mentoring

Now, back to the article!

2. What is a case interview?

Before we can hope to tackle a case interview, we have to understand what one is.

In short, a case interview simulates real consulting work by having you solve a business case study in conversation with your interviewer.

This case study will be a business problem where you have to advise a client - that is, an imaginary business or similar organisation in need of guidance.

You must help this client solve a problem and/or make a decision. This requires you to analyse the information you are given about that client organisation and figure out a final recommendation for what they should do next.

Business problems in general obviously vary in difficulty. Some are quite straightforward and can be addressed with fairly standard solutions. However, consulting firms exist precisely to solve the tough issues that businesses have failed to deal with internally - and so consultants will typically work on complex, idiosyncratic problems requiring novel solutions.

Some examples of case study questions might be:

• How much would you pay for a banking licence in Ghana?
• Estimate the potential value of the electric vehicle market in Germany
• How much gas storage capacity should a UK domestic energy supplier build?

Consulting firms need the brightest minds they can find to put to work on these important, difficult projects. You can expect the case studies you have to solve in interview, then, to echo the unique, complicated problems consultancies deal with every day. As we’ll explain here, this means that you need to be ready to think outside the box to figure out genuinely novel solutions.

2.1. Where are case interviews in the consulting selection process?

Not everyone who applies to a consulting firm will have a case interview - far from it!

In fact, case interviews are pretty expensive and inconvenient for firms to host, requiring them to take consultants off active projects and even fly them back to the office from location for in-person interviews (although this happens less frequently now). Ideally, firms want to cut costs and save time by narrowing down the candidate pool as much as possible before any live interviews.

As such, there are some hoops to jump through before you make it to interview rounds.

Firms will typically eliminate as much as 80% of the applicant pool before interviews start . For most firms, 50%+ of applicants might be cut based on resumes, before a similar cut is made on those remaining based on aptitude tests. McKinsey currently gives their Solve assessment to most applicants, but will use their resulting test scores alongside resumes to cut 70%+ of the candidate pool before interviews.

You'll need to be on top of your game to get as far as an interview with a top firm. Getting through the resume screen and any aptitude tests is an achievement in itself! Also we need to note that the general timeline of an application can differ depending on a series of factors, including which position you apply, your background, and the office you are applying to. For example, an undergraduate applying for a Business Analyst position (the entry level job at McKinsey) will most likely be part of a recruitment cycle and as such have pretty fixed dates when they need to sit the pre-screening test, and have the first and second round interviews (see more on those below). Conversely, an experienced hire will most likely have a much greater choice of test and interview dates as well as more time at their disposal to prepare.

For readers not yet embroiled in the selection process themselves, let’s put case interviews in context and take a quick look at each stage in turn. Importantly, note that you might also be asked to solve case studies outside interviews as well…

2.1.1. Application screen

It’s sometimes easy to forget that such a large cut is made at the application stage. At larger firms, this will mean your resume and cover letter is looked at by some combination of AI tools, recruitment staff and junior consulting staff (often someone from your own university).

Only the best applications will be passed to later stages, so make sure to check out our free resume and cover letter guides, and potentially get help with editing , to give yourself the best chance possible.

2.1.2. Aptitude tests and online cases

This part of the selection process has been changing quickly in recent years and is increasingly beginning to blur into the traditionally separate case interview rounds.

In the past, GMAT or PST style tests were the norm. Firms then used increasingly sophisticated and often gamified aptitude tests, like the Pymetrics test currently used by several firms, including BCG and Bain, and the original version of McKinsey’s Solve assessment (then branded as the Problem Solving Game).

Now, though, there is a move towards delivering relatively sophisticated case studies online. For example, McKinsey has replaced half the old Solve assessment with an online case. BCG’s Casey chatbot case now directly replaces a live first round case interview, and in the new era of AI chatbots, we expect these online cases to quickly become more realistic and increasingly start to relieve firms of some of the costs of live interviews.

Our consultants collectively reckon that, over time, 50% of case interviews are likely to be replaced with these kinds of cases . We give some specific advice for online cases in section six. However, the important thing to note is that these are still just simulations of traditional case interviews - you still need to learn how to solve cases in precisely the same way, and your prep will largely remain the same.

2.1.3. Rounds of Interviews

Now, let’s not go overboard with talk of AI. Even in the long term, the client facing nature of consulting means that firms will have live case interviews for as long as they are hiring anyone. And in the immediate term, case interviews are still absolutely the core of consulting selection.

Before landing an offer at McKinsey, Bain, BCG or any similar firm, you won’t just have one case interview, but will have to complete four to six case interviews, usually divided into two rounds, with each interview lasting approximately 50-60 minutes .

Being invited to first round usually means two or three case interviews. As noted above, you might also be asked to complete an online case or similar alongside your first round interviews.

If you ace first round, you will be invited to second round to face the same again, but more gruelling. Only then - after up to six case interviews in total, can you hope to receive an offer.

2.2. Differences between first and second round interviews

Despite interviews in the first and second round following the same format, second/final round interviews will be significantly more intense . The seniority of the interviewer, time pressure (with up to three interviews back-to-back), and the sheer value of the job at stake will likely make a second round consulting case interview one of the most challenging moments of your professional life.

There are three key differences between the two rounds:

• Time Pressure : Final round case interviews test your ability to perform under pressure, with as many as three interviews in a row and often only very small breaks between them.
• Focus : Since second round interviewers tend to be more senior (usually partners with 12+ years experience) and will be more interested in your personality and ability to handle challenges independently. Some partners will drill down into your experiences and achievements to the extreme. They want to understand how you react to challenges and your ability to identify and learn from past mistakes.
• Psychological Pressure: While case interviews in the first round are usually more focused on you simply cracking the case, second round interviewers often employ a "bad cop" strategy to test the way you react to challenges and uncertainty.

2.3. What skills do case interviews assess?

Reliably impressing your interviewers means knowing what they are looking for. This means understanding the skills you are being assessed against in some detail.

Overall, it’s important always to remember that, with case studies, there are no strict right or wrong answers. What really matters is how you think problems through, how confident you are with your conclusions and how quick you are with the back of the envelope arithmetic.

The objective of this kind of interview isn’t to get to one particular solution, but to assess your skillset. This is even true of modern online cases, where sophisticated AI algorithms score how you work as well as the solutions you generate.

If you visit McKinsey , Bain and BCG web pages on case interviews, you will find that the three firms look for very similar traits, and the same will be true of other top consultancies.

Broadly speaking, your interviewer will be evaluating you across five key areas:

2.1.1.One: Probing mind

Showing intellectual curiosity by asking relevant and insightful questions that demonstrate critical thinking and a proactive nature. For instance, if we are told that revenues for a leading supermarket chain have been declining over the last ten years, a successful candidate would ask:

“ We know revenues have declined. This could be due to price or volume. Do we know how they changed over the same period? ”

This is as opposed to a laundry list of questions like:

• Did customers change their preferences?
• Which segment has shown the decline in volume?
• Is there a price war in the industry?

2.1.2. Structure

Structure in this context means structuring a problem. This, in turn, means creating a framework - that is, a series of clear, sequential steps in order to get to a solution.

As with the case interview in general, the focus with case study structures isn’t on reaching a solution, but on how you get there.

This is the trickiest part of the case interview and the single most common reason candidates fail.

We discuss how to properly structure a case in more detail in section three. In terms of what your interviewer is looking for at high level, though, key pieces of your structure should be:

• Proper understanding of the objective of the case - Ask yourself: "What is the single crucial piece of advice that the client absolutely needs?"
• Identification of the drivers - Ask yourself: "What are the key forces that play a role in defining the outcome?"

Our Problem Driven Structure method, discussed in section three, bakes this approach in at a fundamental level. This is as opposed to the framework-based approach you will find in older case-solving

Focus on going through memorised sequences of steps too-often means failing to develop a full understanding of the case and the real key drivers.

At this link, we run through a case to illustrate the difference between a standard framework-based approach and our Problem Driven Structure method.

2.1.3. Problem Solving

You’ll be tested on your ability to identify problems and drivers, isolate causes and effects, demonstrate creativity and prioritise issues. In particular, the interviewer will look for the following skills:

• Prioritisation - Can you distinguish relevant and irrelevant facts?
• Connecting the dots - Can you connect new facts and evidence to the big picture?
• Establishing conclusions - Can you establish correct conclusions without rushing to inferences not supported by evidence?

2.1.4. Numerical Agility

In case interviews, you are expected to be quick and confident with both precise and approximated numbers. This translates to:

• Performing simple calculations quickly - Essential to solve cases quickly and impress clients with quick estimates and preliminary conclusions.
• Analysing data - Extract data from graphs and charts, elaborate and draw insightful conclusions.
• Solving business problems - Translate a real world case to a mathematical problem and solve it.

Our article on consulting math is a great resource here, though the extensive math content in our MCC Academy is the best and most comprehensive material available.

2.1.5. Communication

Real consulting work isn’t just about the raw analysis to come up with a recommendation - this then needs to be sold to the client as the right course of action.

Similarly, in a case interview, you must be able to turn your answer into a compelling recommendation. This is just as essential to impressing your interviewer as your structure and analysis.

Consultants already comment on how difficult it is to find candidates with the right communication skills. Add to this the current direction of travel, where AI will be able to automate more and more of the routine analytic side of consulting, and communication becomes a bigger and bigger part of what consultants are being paid for.

So, how do you make sure that your recommendations are relevant, smart, and engaging? The answer is to master what is known as CEO-level communication .

This art of speaking like a CEO can be quite challenging, as it often involves presenting information in effectively the opposite way to how you might normally.

To get it right, there are three key areas to focus on in your communications:

• Top down : A CEO wants to hear the key message first. They will only ask for more details if they think that will actually be useful. Always consider what is absolutely critical for the CEO to know, and start with that. You can read more in our article on the Pyramid Principle .
• Concise : This is not the time for "boiling the ocean" or listing an endless number possible solutions. CEOs, and thus consultants, want a structured, quick and concise recommendation for their business problem, that they can implement immediately.
• Fact-based : Consultants share CEOs' hatred of opinions based on gut feel rather than facts. They want recommendations based on facts to make sure they are actually in control. Always go on to back up your conclusions with the relevant facts.

Being concise and to the point is key in many areas, networking being one for them. For more detail on all this, check out our full article on delivering recommendations .

Prep the right way

3. types of case interview.

While most case interviews share a similar structure, firms will have some differences in the particular ways they like to do things in terms of both the case study and the fit component.

As we’ll see, these differences aren’t hugely impactful in terms of how you prepare. That said, it's always good to know as much as possible about what you will be going up against.

3.1. Different case objectives

A guiding thread throughout this article and our approach in general will be to treat each case as a self-contained problem and not try to pigeonhole it into a certain category. Having said that, there are of course similarities between cases and we can identify certain parameters and objectives.

Broadly speaking, cases can be divided into issue-based cases and strategic decision cases. In the former you will be asked to solve a certain issue, such as declining profits, or low productivity whereas in the latter you will be ask whether your client should or should not do something, such as enter a specific market or acquire another company. The chart below is a good breakdown of these different objectives:

3.2. How do interviewers craft cases

While interviewers will very likely be given a case bank to choose from by their company, a good number of them will also choose to adapt the cases they would currently be working on to an interview setting. The difference is that the latter cases will be harder to pigeonhole and apply standard frameworks to, so a tailored approach will be paramount.

If you’ve applied for a specific practice or type of consulting - such as operational consulting, for example - it’s very likely that you will receive a case geared towards that particular area alongside a ‘generalist’ consulting case (however, if that’s the case, you will generally be notified). The other main distinction when it comes to case interviews is between interviewer-led and candidate-led.

3.3. Candidate-led cases

Most consulting case interview questions test your ability to crack a broad problem, with a case prompt often going something like:

" How much would you pay to secure the rights to run a restaurant in the British Museum? "

You, as a candidate, are then expected to identify your path to solve the case (that is, provide a structure), leveraging your interviewer to collect the data and test your assumptions.

This is known as a “candidate-led” case interview and is used by Bain, BCG and other firms. From a structuring perspective, it’s easier to lose direction in a candidate-led case as there are no sign-posts along the way. As such, you need to come up with an approach that is both broad enough to cover all of the potential drivers in a case but also tailored enough to the problem you are asked to solve. It’s also up to you to figure out when you need to delve deeper into a certain branch of the case, brainstorm or ask for data. The following case from Bain is an excellent example on how to navigate a candidate-led case.

3.4. Interviewer-led cases

This type of case - employed most famously by McKinsey - is slightly different, with the interviewer controlling the pace and direction of the conversation much more than with other case interviews.

At McKinsey, your interviewer will ask you a set of pre-determined questions, regardless of your initial structure. For each question, you will have to understand the problem, come up with a mini structure, ask for additional data (if necessary) and come to the conclusion that answers the question. This more structured format of case also shows up in online cases by other firms - notably including BCG’s Casey chatbot (with the amusing result that practising McKinsey-style cases can be a great addition when prepping for BCG).

Essentially, these interviewer-led case studies are large cases made up of lots of mini-cases. You still use basically the same method as you would for standard (or candidate-led) cases - the main difference is simply that, instead of using that method to solve one big case, you are solving several mini-cases sequentially. These cases are easier to follow as the interviewer will guide you in the right direction. However, this doesn’t mean you should pay less attention to structure and deliver a generic framework! Also, usually (but not always!) the first question will ask you to map your approach and is the equivalent of the structuring question in candidate-led cases. Sometimes, if you’re missing key elements, the interviewer might prompt you in the right direction - so make sure to take those prompts seriously as they are there to help you get back on track (ask for 30 seconds to think on the prompt and structure your approach). Other times - and this is a less fortunate scenario - the interviewer might say nothing and simply move on to the next question. This is why you should put just as much thought (if not more) into the framework you build for interviewer-led cases , as you may be penalized if you produce something too generic or that doesn’t encompass all the issues of the case.

3.5. Case and fit

The standard case interview can be thought of as splitting into two standalone sub-interviews. Thus “case interviews” can be divided into the case study itself and a “fit interview” section, where culture fit questions are asked.

This can lead to a bit of confusion, as the actual case interview component might take up as little as half of your scheduled “case interview”. You need to make sure you are ready for both aspects.

To illustrate, here is the typical case interview timeline:

• First 15-30 minutes: Fit Interview - with questions assessing your motivation to be a consultant in that specific firm and your traits around leadership and teamwork. Learn more about the fit interview in our in-depth article here .
• Next 30-40 minutes: Case Interview - solving a case study
• Last 5 minutes: Fit Interview again - this time focussing on your questions for your interviewer.

Both the Case and Fit interviews play crucial roles in the finial hiring decision. There is no “average” taken between case and fit interviews: if your performance is not up to scratch in either of the two, you will not be able to move on to the next interview round or get an offer.

NB: No case without fit

Note that, even if you have only been told you are having a case interview or otherwise are just doing a case study, always be prepared to answer fit questions. At most firms, it is standard practice to include some fit questions in all case interviews, even if there are also separate explicit fit interviews, and interviewers will almost invariably include some of these questions around your case. This is perfectly natural - imagine how odd and artificial it would be to show up to an interview, simply do a case and leave again, without talking about anything else with the interviewer before or after.

3.5.1 Differences between firms

For the most part, a case interview is a case interview. However, firms will have some differences in the particular ways they like to do things in terms of both the case study and the fit component.

3.5.2. The McKinsey PEI

McKinsey brands its fit aspect of interviews as the Personal Experience Interview or PEI. Despite the different name, this is really much the same interview you will be going up against in Bain, BCG and any similar firms.

McKinsey does have a reputation for pushing candidates a little harder with fit or PEI questions , focusing on one story per interview and drilling down further into the specific details each time. We discuss this tendency more in our fit interview article . However, no top end firm is going to go easy on you and you should absolutely be ready for the same level of grilling at Bain, BCG and others. Thus any difference isn’t hugely salient in terms of prep.

3.6. What is different in 2023?

For the foreseeable future, you are going to have to go through multiple live case interviews to secure any decent consulting job. These might increasingly happen via Zoom rather than in person, but they should remain largely the same otherwise.

However, things are changing and the rise of AI in recent months seems pretty much guaranteed to accelerate existing trends.

Even before the explosive development of AI chatbots like ChatGPT we have seen in recent months, automation was already starting to change the recruitment process.

As we mentioned, case interviews are expensive and inconvenient for firms to run . Ideally, then, firms will try to reduce the number of interviews required for recruitment as far as possible. For many years, tests of various kinds served to cut down the applicant pool and thus the number of interviews. However, these tests had a limited capacity to assess candidates against the full consulting skillset in the way that case interviews do so well.

More recently, though, the development of online testing has allowed for more and more advanced assessments. Top consulting firms have been leveraging screening tests that better and better capture the same skillset as case interviews. Eventually this is converging on automated case studies. We see this very clearly with the addition of the Redrock case to McKinsey’s Solve assessment.

As these digital cases become closer to the real thing, the line between test and interview blurs. Online cases don’t just reduce the number of candidates to interview, but start directly replacing interviews.

Case in point here is BCG’s Casey chatbot . Previously, BCG had deployed less advanced online cases and similar tests to weed out some candidates before live case interviews began. Now, though, Casey actually replaces one first round case interview.

Casey, at time of writing, is still a relatively “basic” chatbot, basically running through a pre-set script. The Whatsapp-like interface does a lot of work to make it feel like one is chatting to a “real person” - the chatbot itself, though, cannot provide feedback or nudges to candidates as would a human interviewer.

We fully expect that, as soon as BCG and other firms can train a truer AI, these online cases will become more widespread and start replacing more live interviews.

We discuss the likely impacts of advanced AI on consulting recruitment and the industry more broadly in our blog.

Here, though, the real message is that you should expect to run into digital cases as well as traditional case interviews.

Luckily, despite any changes in specific format, you will still need to master the same fundamental skills and prepare in much the same way.

We’ll cover a few ways to help prepare for chatbot cases in section four. Ultimately, though, firms are looking for the same problem solving ability and mindset as a real interviewer. Especially as chatbots get better at mimicking a real interviewer, candidates who are well prepared for case cracking in general should have no problem with AI administered cases.

3.6.1. Automated fit interviews

Analogous to online cases, in recent years there has been a trend towards automated, “one way” fit interviews, with these typically being administered for consultancies by specialist contractors like HireVue or SparkHire.

These are kind of like Zoom interviews, but if the interviewer didn’t show up. Instead you will be given fit questions to answer and must record your answer in your computer webcam. Your response will then go on to be assessed by an algorithm, scoring both what you say and how you say it.

Again, with advances in AI, it is easy to imagine these automated interviews going from fully scripted interactions, where all candidates are asked the same list of questions, to a more interactive experience. Thus, we might soon arrive at a point where you are being grilled on the details of your stories - McKinsey PEI style - but by a bot rather than a human.

We include some tips on this kind of “one way” fit interview in section six here.

4. How to solve cases with the Problem-Driven Structure?

If you look around online for material on how to solve case studies, a lot of what you find will set out framework-based approaches. However, as we have mentioned, these frameworks tend to break down with more complex, unique cases - with these being exactly the kind of tough case studies you can expect to be given in your interviews.

To address this problem, the MyConsultingCoach team has synthesized a new approach to case cracking that replicates how top management consultants approach actual engagements.

MyConsultingCoach’s Problem Driven Structure approach is a universal problem solving method that can be applied to any business problem , irrespective of its nature.

As opposed to just selecting a generic framework for each case, the Problem Driven Structure approach works by generating a bespoke structure for each individual question and is a simplified version of the roadmap McKinsey consultants use when working on engagements.

The canonical seven steps from McKinsey on real projects are simplified to four for case interview questions, as the analysis required for a six-month engagement is somewhat less than that needed for a 45-minute case study. However, the underlying flow is the same (see the method in action in the video below)

Let's zoom in to see how our method actually works in more detail:

4.1. Identify the problem

Identifying the problem means properly understanding the prompt/question you are given, so you get to the actual point of the case.

This might sound simple, but cases are often very tricky, and many candidates irretrievably mess things up within the first few minutes of starting. Often, they won’t notice this has happened until they are getting to the end of their analysis. Then, they suddenly realise that they have misunderstood the case prompt - and have effectively been answering the wrong question all along!

With no time to go back and start again, there is nothing to do. Even if there were time, making such a silly mistake early on will make a terrible impression on their interviewer, who might well have written them off already. The interview is scuppered and all the candidate’s preparation has been for nothing.

This error is so galling as it is so readily avoidable.

Our method prevents this problem by placing huge emphasis on a full understanding of the case prompt. This lays the foundations for success as, once we have identified the fundamental, underlying problem our client is facing, we focus our whole analysis around finding solutions to this specific issue.

Now, some case interview prompts are easy to digest. For example, “Our client, a supermarket, has seen a decline in profits. How can we bring them up?”. However, many of the prompts given in interviews for top firms are much more difficult and might refer to unfamiliar business areas or industries. For example, “How much would you pay for a banking license in Ghana?” or “What would be your key areas of concern be when setting up an NGO?”

Don’t worry if you have no idea how you might go about tackling some of these prompts!

In our article on identifying the problem and in our full lesson on the subject in our MCC Academy course, we teach a systematic, four step approach to identifying the problem , as well as running through common errors to ensure you start off on the right foot every time!

This is summarised here:

Following this method lets you excel where your competitors mess up and get off to a great start in impressing your interviewer!

4.2. Build your problem driven structure

After you have properly understood the problem, the next step is to successfully crack a case is to draw up a bespoke structure that captures all the unique features of the case.

This is what will guide your analysis through the rest of the case study and is precisely the same method used by real consultants working on real engagements.

Of course, it might be easier here to simply roll out one an old-fashioned framework, and a lot of candidates will do so. This is likely to be faster at this stage and requires a lot less thought than our problem-driven structure approach.

However, whilst our problem driven structure approach requires more work from you, our method has the advantage of actually working in the kind of complex case studies where generic frameworks fail - that is exactly the kind of cases you can expect at an MBB interview .

Since we effectively start from first principles every time, we can tackle any case with the same overarching method. Simple or complex, every case is the same to you and you don’t have to gamble a job on whether a framework will actually work

4.2.1 Issue trees

Issue trees break down the overall problem into a set of smaller problems that you can then solve individually. Representing this on a diagram also makes it easy for both you and your interviewer to keep track of your analysis.

To see how this is done, let’s look at the issue tree below breaking down the revenues of an airline:

These revenues can be segmented as the number of customers multiplied by the average ticket price. The number of customers can be further broken down into a number of flights multiplied by the number of seats, times average occupancy rate. The node corresponding to the average ticket price can then be segmented further.

4.2.2 Hypothesis trees

Hypothesis trees are similar, the only difference being that rather than just trying to break up the issue into smaller issues you are assuming that the problem can be solved and you are formulating solutions.

In the example above, you would assume revenues can be increased by either increasing the average ticket price or the number of customers . You can then hypothesize that you can increase the average occupancy rate in three ways: align the schedule of short and long haul flights, run a promotion to boost occupancy in off-peak times, or offer early bird discounts.

4.2.3 Other structures:structured lists

Structured lists are simply subcategories of a problem into which you can fit similar elements. This McKinsey case answer starts off by identifying several buckets such as retailer response, competitor response, current capabilities and brand image and then proceeds to consider what could fit into these categories.

Buckets can be a good way to start the structure of a complex case but when using them it can be very difficult to be MECE and consistent, so you should always aim to then re-organize them into either an issue or a hypothesis tree.

It is worth noting that the same problem can be structured in multiple valid ways by choosing different means to segment the key issues. Ultimately all these lists are methods to set out a logical hierachy among elements.

4.2.4 Structures in practice

That said, not all valid structures are equally useful in solving the underlying problem. A good structure fulfils several requirements - including MECE-ness , level consistency, materiality, simplicity, and actionability. It’s important to put in the time to master segmentation, so you can choose a scheme isn’t only valid, but actually useful in addressing the problem.

After taking the effort to identify the problem properly, an advantage of our method is that it will help ensure you stay focused on that same fundamental problem throughout. This might not sound like much, but many candidates end up getting lost in their own analysis, veering off on huge tangents and returning with an answer to a question they weren’t asked.

Another frequent issue - particularly with certain frameworks - is that candidates finish their analysis and, even if they have successfully stuck to the initial question, they have not actually reached a definite solution. Instead, they might simply have generated a laundry list of pros and cons, with no clear single recommendation for action.

Clients employ consultants for actionable answers, and this is what is expected in the case interview. The problem driven structure excels in ensuring that everything you do is clearly related back to the key question in a way that will generate a definitive answer. Thus, the problem driven structure builds in the hypothesis driven approach so characteristic of real consulting practice.

You can learn how to set out your own problem driven structures in our article here and in our full lesson in the MCC Academy course.

4.2. Lead the analysis

A problem driven structure might ensure we reach a proper solution eventually, but how do we actually get there?

We call this step " leading the analysis ", and it is the process whereby you systematically navigate through your structure, identifying the key factors driving the issue you are addressing.

Generally, this will mean continuing to grow your tree diagram, further segmenting what you identify as the most salient end nodes and thus drilling down into the most crucial factors causing the client’s central problem.

Once you have gotten right down into the detail of what is actually causing the company’s issues, solutions can then be generated quite straightforwardly.

To see this process in action, we can return to our airline revenue example:

Let’s say we discover the average ticket price to be a key issue in the airline’s problems. Looking closer at the drivers of average ticket price, we find that the problem lies with economy class ticket prices. We can then further segment that price into the base fare and additional items such as food.

Having broken down the issue to such a fine-grained level and considering the 80/20 rule(see below), solutions occur quite naturally. In this case, we can suggest incentivising the crew to increase onboard sales, improving assortment in the plane, or offering discounts for online purchases.

Our article on leading the analysis is a great primer on the subject, with our video lesson in the MCC Academy providing the most comprehensive guide available.

4.4. Provide recommendations

So you have a solution - but you aren’t finished yet!

Now, you need to deliver your solution as a final recommendation.

This should be done as if you are briefing a busy CEO and thus should be a one minute, top-down, concise, structured, clear, and fact-based account of your findings.

The brevity of the final recommendation belies its importance. In real life consulting, the recommendation is what the client has potentially paid millions for - from their point of view, it is the only thing that matters.

In an interview, your performance in this final summing up of your case is going to significantly colour your interviewer’s parting impression of you - and thus your chances of getting hired!

So, how do we do it right?

Barbara Minto's Pyramid Principle elegantly sums up almost everything required for a perfect recommendation. The answer comes first , as this is what is most important. This is then supported by a few key arguments , which are in turn buttressed by supporting facts .

Across the whole recommendation, the goal isn’t to just summarise what you have done. Instead, you are aiming to synthesize your findings to extract the key "so what?" insight that is useful to the client going forward.

All this might seem like common sense, but it is actually the opposite of how we relay results in academia and other fields. There, we typically move from data, through arguments and eventually to conclusions. As such, making good recommendations is a skill that takes practice to master.

We can see the Pyramid Principle illustrated in the diagram below:

To supplement the basic Pyramid Principle scheme, we suggest candidates add a few brief remarks on potential risks and suggested next steps . This helps demonstrate the ability for critical self-reflection and lets your interviewer see you going the extra mile.

The combination of logical rigour and communication skills that is so definitive of consulting is particularly on display in the final recommendation.

Despite it only lasting 60 seconds, you will need to leverage a full set of key consulting skills to deliver a really excellent recommendation and leave your interviewer with a good final impression of your case solving abilities.

Our specific article on final recommendations and the specific video lesson on the same topic within our MCC Academy are great, comprehensive resources. Beyond those, our lesson on consulting thinking and our articles on MECE and the Pyramid Principle are also very useful.

4.5. What if I get stuck?

Naturally with case interviews being difficult problems there may be times where you’re unsure what to do or which direction to take. The most common scenario is that you will get stuck midway through the case and there are essentially two things that you should do:

• 1. Go back to your structure
• 2. Ask the interviewer for clarification

Your structure should always be your best friend - after all, this is why you put so much thought and effort into it: if it’s MECE it will point you in the right direction. This may seem abstract but let’s take the very simple example of a profitability issue: if you’ve started your analysis by segmenting profit into revenue minus costs and you’ve seen that the cost side of the analysis is leading you nowhere, you can be certain that the declining profit is due to a decline in revenue.

Similarly, when you’re stuck on the quantitative section, make sure that your framework for calculations is set up correctly (you can confirm this with the interviewer) and see what it is you’re trying to solve for: for example if you’re trying to find what price the client should sell their new t-shirt in order to break even on their investment, you should realize that what you’re trying to find is the break even point, so you can start by calculating either the costs or the revenues. You have all the data for the costs side and you know they’re trying to sell 10.000 pairs so you can simply set up the equation with x being the price.

As we’ve emphasised on several occasions, your consulting interview will be a dialogue. As such, if you don’t know what to do next or don’t understand something, make sure to ask the interviewer (and as a general rule always follow their prompts as they are trying to help, not trick you). This is especially true for the quantitative questions, where you should really understand what data you’re looking at before you jump into any calculations. Ideally you should ask your questions before you take time to formulate your approach but don’t be afraid to ask for further clarification if you really can’t make sense of what’s going on. It’s always good to walk your interviewer through your approach before you start doing the calculations and it’s no mistake to make sure that you both have the same understanding of the data. For example when confronted with the chart below, you might ask what GW (in this case gigawatt) means from the get-go and ask to confirm the different metrics (i.e. whether 1 GW = 1000 megawatts). You will never be penalised for asking a question like that.

5. What to remember in case interviews

If you’re new to case cracking you might feel a bit hopeless when you see a difficult case question, not having any idea where to start.

In fact though, cracking cases is much like playing chess. The rules you need to know to get started are actually pretty simple. What will make you really proficient is time and practice.

In this section, we’ll run through a high level overview of everything you need to know, linking to more detailed resources at every step.

5.1. An overall clear structure

You will probably hear this more than you care for but it is the most important thing to keep in mind as you start solving cases, as not only it is a key evaluation criterion but the greatest tool you will have at your disposal. The ability to build a clear structure in all aspects of the case will be the difference between breezing through a complicated case and struggling at its every step. Let’s look a bit closer at the key areas where you should be structured!

5.1.1 Structured notes

Every case interview starts with a prompt, usually verbal, and as such you will have to take some notes. And here is where your foray into structure begins, as the notes you take should be clear, concise and structured in a way that will allow you to repeat the case back to the interviewer without writing down any unnecessary information.

This may sound very basic but you should absolutely not be dismissive about it: taking clear and organized notes will allow you to navigate a case just like you would a powerpoint! While you should obviously adopt a system that you are comfortable with, what we found helps is to have separate sections for:

• The case brief
• Follow-up questions and answers
• Numerical data
• Case structure (the most crucial part when solving the case)
• Any scrap work during the case (usually calculations)

When solving the case - or, as we call it here, in the Lead the analysis step, it is highly recommended to keep on feeding and integrating your structure, so that you never get lost. Maintaining a clear high level view is one of the most critical skills in consulting: by constantly keeping track of where you are following your structure, you’ll never lose your focus on the end goal.

In the case of an interviewer-led case, you can also have separate sheets for each question (e.g. Question 1. What factors can we look at that drive profitability?). If you develop a system like this you’ll know exactly where to look for each point of data rather than rummage around in untidy notes. There are a couple more sections that you may have, depending on preference - we’ll get to these in the next sections.

5.1.2 Structured communication

There will be three main types of communication in cases:

• 1. Asking and answering questions
• 2. Walking the interviewer through your structure (either the case or calculation framework - we’ll get to that in a bit!)
• 3. Delivering your recommendation

Asking and answering questions will be the most common of these and the key thing to do before you speak is ask for some time to collect your thoughts and get organised. What you want to avoid is a ‘laundry list’ of questions or anything that sounds too much like a stream of consciousness.

Different systems work for different candidates but a sure-fire way of being organised is numbering your questions and answers. So rather than saying something like ‘I would like to ask about the business model, operational capacity and customer personas’ it’s much better to break it down and say something along the lines of ‘I’ve got three key questions. Firstly I would like to inquire into the business model of our client. Secondly I would like to ask about their operational capacity. Thirdly I would like to know more about the different customer personas they are serving’.

A similar principle should be applied when walking the interview through your structure, and this is especially true of online interviews (more and more frequent now) when the interviewer can’t see your notes. Even if you have your branches or buckets clearly defined, you should still use a numbering system to make it obvious to the interviewer. So, for example, when asked to identify whether a company should make an acquisition, you might say ‘I would like to examine the following key areas. Firstly the financial aspects of this issue, secondly the synergies and thirdly the client’s expertise’

The recommendation should be delivered top-down (see section 4.4 for specifics) and should employ the same numbering principle. To do so in a speedy manner, you should circle or mark the key facts that you encounter throughout the case so you can easily pull them out at the end.

5.1.3 Structured framework

It’s very important that you have a systematic approach - or framework - for every case. Let’s get one thing straight: there is a difference between having a problem-solving framework for your case and trying to force a case into a predetermined framework. Doing the former is an absolute must , whilst doing the latter will most likely have you unceremoniously dismissed.

We have seen there are several ways of building a framework, from identifying several categories of issues (or ‘buckets’) to building an issue or hypothesis tree (which is the most efficient type of framework). For the purpose of organization, we recommend having a separate sheet for the framework of the case, or, if it’s too much to manage, you can have it on the same sheet as the initial case prompt. That way you’ll have all the details as well as your proposed solution in one place.

5.1.4 Structured calculations

Whether it’s interviewer or candidate-led, at some point in the case you will get a bunch of numerical data and you will have to perform some calculations (for the specifics of the math you’ll need on consulting interviews, have a look at our Consulting Math Guide ). Here’s where we urge you to take your time and not dive straight into calculating! And here’s why: while your numerical agility is sure to impress interviewers, what they’re actually looking for is your logic and the calculations you need to perform in order to solve the problem . So it’s ok if you make a small mistake, as long as you’re solving for the right thing.

As such, make it easy for them - and yourself. Before you start, write down in steps the calculations you need to perform. Here’s an example: let’s say you need to find out by how much profits will change if variable costs are reduced by 10%. Your approach should look something like:

• 1. Calculate current profits: Profits = Revenues - (Variable costs + Fixed costs)
• 2. Calculate the reduction in variable costs: Variable costs x 0.9
• 3. Calculate new profits: New profits = Revenues - (New variable costs + Fixed costs)

Of course, there may be more efficient ways to do that calculation, but what’s important - much like in the framework section - is to show your interviewer that you have a plan, in the form of a structured approach. You can write your plan on the sheet containing the data, then perform the calculations on a scrap sheet and fill in the results afterward.

5.2. Common business knowledge and formulas

Although some consulting firms claim they don’t evaluate candidates based on their business knowledge, familiarity with basic business concepts and formulae is very useful in terms of understanding the case studies you are given in the first instance and drawing inspiration for structuring and brainstorming.

If you are coming from a business undergrad, an MBA or are an experienced hire, you might well have this covered already. For those coming from a different background, it may be useful to cover some.

Luckily, you don’t need a degree-level understanding of business to crack interview cases , and a lot of the information you will pick up by osmosis as you read through articles like this and go through cases.

However, some things you will just need to sit down and learn. We cover everything you need to know in some detail in our Case Academy Course course. However, some examples here of things you need to learn are:

• Basic accounting (particularly how to understand all the elements of a balance sheet)
• Basic economics
• Basic marketing
• Basic strategy

Below we include a few elementary concepts and formulae so you can hit the ground running in solving cases. We should note that you should not memorise these and indeed a good portion of them can be worked out logically, but you should have at least some idea of what to expect as this will make you faster and will free up much of your mental computing power. In what follows we’ll tackle concepts that you will encounter in the private business sector as well as some situations that come up in cases that feature clients from the NGO or governmental sector.

5.2.1 Business sector concepts

These concepts are the bread and butter of almost any business case so you need to make sure you have them down. Naturally, there will be specificities and differences between cases but for the most part here is a breakdown of each of them.

5.2.1.1. Revenue

The revenue is the money that the company brings in and is usually equal to the number of products they sell multiplied to the price per item and can be expressed with the following equation:

Revenue = Volume x Price

Companies may have various sources of revenue or indeed multiple types of products, all priced differently which is something you will need to account for. Let’s consider some situations. A clothing company such as Nike will derive most of their revenue from the number of products they sell times the average price per item. Conversely, for a retail bank revenue is measured as the volume of loans multiplied by the interest rate at which the loans are given out. As we’ll see below, we might consider primary revenues and ancillary revenues: in the case of a football club, we might calculate primary revenues by multiplying the number of tickets sold by the average ticket price, and ancillary revenues those coming from sales of merchandise (similarly, let’s say average t-shirt price times the number of t-shirts sold), tv rights and sponsorships.

These are but a few examples and another reminder that you should always aim to ask questions and understand the precise revenue structure of the companies you encounter in cases.

5.2.1.2. Costs

The costs are the expenses that a company incurs during its operations. Generally, they can be broken down into fixed and variable costs :

Costs = Fixed Costs + Variable Costs

As their name implies, fixed costs do not change based on the number of units produced or sold. For example, if you produce shoes and are renting the space for your factory, you will have to pay the rent regardless of whether you produce one pair or 100. On the other hand, variable costs depend on the level of activity, so in our shoe factory example they would be equivalent to the materials used to produce each pair of shoes and would increase the more we produce.

These concepts are of course guidelines used in order to simplify the analysis in cases, and you should be aware that in reality often the situation can be more complicated. Costs can also be quasi-fixed, in that they increase marginally with volume. Take the example of a restaurant which has a regular staff, incurring a fixed cost but during very busy hours or periods they also employ some part-time workers. This cost is not exactly variable (as it doesn’t increase with the quantity of food produced) but also not entirely fixed, as the number of extra hands will depend on how busy the restaurant is. Fixed costs can also be non-linear in nature. Let’s consider the rent in the same restaurant: we would normally pay a fixed amount every month, but if the restaurant becomes very popular we might need to rent out some extra space so the cost will increase.

5.2.1.3. Profit and profit margin

The profit is the amount of money a company is left with after it has paid all of its expenses and can be expressed as follows:

Profit = Revenue - Costs

It’s very likely that you will encounter a profitability issue in one of your cases, namely you will be asked to increase a company’s profit. There are two main ways of doing this: increasing revenues and reducing costs , so these will be the two main areas you will have to investigate. This may seem simple but what you will really need to understand in a case are the key drivers of a business (and this should be done through clarifying questions to the interviewer - just as a real consultant would question their client).

For example, if your client is an airline you can assume that the main source of revenue is sales of tickets, but you should inquire how many types of ticket the specific airline sells. You may naturally consider economy and business class tickets, but you may find out that there is a more premium option - such as first class - and several in-between options. Similarly to our football club example, there may be ancillary revenues from selling of food and beverage as well as advertising certain products or services on flights.

You may also come across the profit margin in cases. This is simply the percentage of profit compared to the revenue and can be expressed as follows:

Profit margin = Profit/Revenue x 100

5.2.1.4. Break-even point

An ancillary concept to profit, the break-even point is the moment where revenues equal costs making the profit zero and can be expressed as the following equation:

Revenues = Costs (Fixed costs + Variable costs)

This formula will be useful when you are asked questions such as ‘What is the minimum price I should sell product X?’ or ‘What quantity do I need to sell in order to recoup my investment?’. Let’s say an owner of a sandwich store asks us to figure out how many salami and cheese salami sandwiches she needs to sell in order to break even. She’s spending $4 on salami and $2 for cheese and lettuce per sandwich, and believes she can sell the sandwiches at around $7. The cost of utilities and personnel is around $5000 per month. We could lay this all out in the break-even equation:

7 x Q ( quantity ) = (4+2) x Q + 5000 ( variable + fixed costs )

In a different scenario, we may be asked to calculate the break-even price . Let’s consider our sandwich example and say our owner knows she has enough ingredients for about 5000 sandwiches per month but is not sure how much to sell them for. In that case, if we know our break-even equation, we can simply make the following changes:

P ( price ) x 5000 = (4+2) x 5000 + 5000

By solving the equation we get to the price of $7 per sandwich.

5.2.1.5. Market share and market size

We can also consider the market closely with profit, as in fact the company’s performance in the market is what drives profits. The market size is the total number of potential customers for a certain business or product, whereas the market share is the percentage of that market that your business controls (or could control, depending on the case).

There is a good chance you will have to estimate the market size in one of your case interviews and we get into more details on how to do that below. You may be asked to estimate this in either number of potential customers or total value . The latter simply refers to the number of customers multiplied by the average value of the product or service.

To calculate the market share you will have to divide the company’s share by the total market size and multiply by 100:

Note, though, that learning the very basics of business is the beginning rather than the end of your journey. Once you are able to “speak business” at a rudimentary level, you should try to “become fluent” and immerse yourself in reading/viewing/listening to as wide a variety of business material as possible, getting a feel for all kinds of companies and industries - and especially the kinds of problems that can come up in each context and how they are solved. The material put out by the consulting firms themselves is a great place to start, but you should also follow the business news and find out about different companies and sectors as much as possible between now and interviews. Remember, if you’re going to be a consultant, this should be fun rather than a chore!

5.3 Public sector and NGO concepts

As we mentioned, there will be some cases (see section 6.6 for a more detailed example) where the key performance indicators (or KPIs in short) will not be connected to profit. The most common ones will involve the government of a country or an NGO, but they can be way more diverse and require more thought and application of first principles. We have laid out a couple of the key concepts or KPIs that come up below

5.3.1 Quantifiability

In many such scenarios you will be asked to make an important strategic decision of some kind or to optimise a process. Of course these are not restricted to non-private sector cases but this is where they really come into their own as there can be great variation in the type of decision and the types of field.

While there may be no familiar business concepts to anchor yourself onto, a concept that is essential is quantifiability . This means, however qualitative the decision might seem, consultants rely on data so you should always aim to have aspects of a decision that can be quantified, even if the data doesn’t present itself in a straightforward manner.

Let’s take a practical example. Your younger sibling asks you to help them decide which university they should choose if they want to study engineering. One way to structure your approach would be to segment the problem into factors affecting your sibling’s experience at university and experience post-university. Within the ‘at uni’ category you might think about the following:

• Financials : How much are tuition costs and accommodation costs?
• Quality of teaching and research : How are possible universities ranked in the QS guide based on teaching and research?
• Quality of resources : How well stocked is their library, are the labs well equipped etc.?
• Subject ranking : How is engineering at different unis ranked?
• Life on campus and the city : What are the living costs in the city where the university is based? What are the extracurricular opportunities and would your sibling like to live in that specific city based on them?

Within the ‘out of uni’ category you might think about:

• Exit options : What are the fields in which your sibling could be employed and how long does it take the average student of that university to find a job?
• Alumni network : What percentage of alumni are employed by major companies?
• Signal : What percentage of applicants from the university get an interview in major engineering companies and related technical fields?

You will perhaps notice that all the buckets discussed pose quantifiable questions meant to provide us with data necessary to make a decision. It’s no point to ask ‘Which university has the nicest teaching staff?’ as that can be a very subjective metric.

5.3.1 Impact

Another key concept to consider when dealing with sectors other than the private one is how impactful a decision or a line of inquiry is on the overarching issue , or whether all our branches in our issue tree have a similar impact. This can often come in the form of impact on lives, such as in McKinsey’s conservation case discussed below, namely how many species can we save with our choice of habitat.

5.4 Common consulting concepts

Consultants use basic business concepts on an every day basis, as they help them articulate their frameworks to problems. However, they also use some consulting specific tools to quality check their analysis and perform in the most efficient way possible. These principles can be applied to all aspects of a consultant’s work, but for brevity we can say they mostly impact a consultant’s systematic approach and communication - two very important things that are also tested in case interviews. Therefore, it’s imperative that you not only get to know them, but learn how and when to use them as they are at the very core of good casing. They are MECE-ness, the Pareto Principle and the Pyramid principle and are explained briefly below - you should, however, go on to study them in-depth in their respective articles.

Perhaps the central pillar of all consulting work and an invaluable tool to solve cases, MECE stands for Mutually Exclusive and Collectively Exhaustive . It can refer to any and every aspect in a case but is most often used when talking about structure. We have a detailed article explaining the concept here , but the short version is that MECE-ness ensures that there is no overlap between elements of a structure (i.e. the Mutually Exclusive component) and that it covers all the drivers or areas of a problem (Collectively Exhaustive). It is a concept that can be applied to any segmentation when dividing a set into subsets that include it wholly but do not overlap.

Let’s take a simple example and then a case framework example. In simple terms, when we are asked to break down the set ‘cars’ into subsets, dividing cars into ‘red cars’ and ‘sports cars’ is neither mutually exclusive (as there are indeed red sports cars) nor exhaustive of the whole set (i.e. there are also yellow non-sports cars that are not covered by this segmentation). A MECE way to segment would be ‘cars produced before 2000’ and ‘cars produced after 2000’ as this segmentation allows for no overlap and covers all the cars in existence.

Dividing cars can be simple, but how can we ensure MECEness in a case-interview a.k.a. a business situation. While the same principles apply, a good tip to ensure that your structure is MECE is to think about all the stakeholders - i.e. those whom a specific venture involves.

Let’s consider that our client is a soda manufacturer who wants to move from a business-to-business strategy, i.e. selling to large chains of stores and supermarkets, to a business-to-consumer strategy where it sells directly to consumers. In doing so they would like to retrain part of their account managers as direct salespeople and need to know what factors to consider.

A stakeholder-driven approach would be to consider the workforce and customers and move further down the issue tree, thinking about individual issues that might affect them. In the case of the workforce, we might consider how the shift would affect their workload and whether it takes their skillset into account. As for the customers, we might wonder whether existing customers would be satisfied with this move: will the remaining B2B account managers be able to provide for the needs of all their clients and will the fact that the company is selling directly to consumers now not cannibalise their businesses? We see how by taking a stakeholder-centred approach we can ensure that every single perspective and potential issue arising from it is fully covered.

5.4.2 The Pareto Principle

Also known as the 80/20 rule, this principle is important when gauging the impact of a decision or a factor in your analysis. It simply states that in business (but not only) 80% of outcomes come from 20% of causes. What this means is you can make a few significant changes that will impact most of your business organisation, sales model, cost structure etc.

Let’s have a look at 3 quick examples to illustrate this:

• 80% of all accidents are caused by 20% of drivers
• 20% of a company’s products account for 80% of the sales
• 80% of all results in a company are driven by 20% of its employees

The 80/20 rule will be a very good guide line in real engagements as well as case interviews, as it will essentially point to the easiest and most straightforward way of doing things. Let’s say one of the questions in a case is asking you to come up with an approach to understand the appeal of a new beard trimmer. Obviously you can’t interview the whole male population so you might think about setting up a webpage and asking people to comment their thoughts. But what you would get would be a laundry list of difficult to sift through data.

Using an 80/20 approach you would segment the population based on critical factors (age groups, grooming habits etc.) and then approach a significant sample size of each (e.g. 20), analysing the data and reaching a conclusion.

5.4.3 The Pyramid Principle

This principle refers to organising your communication in a top-down , efficient manner. While this is generally applicable, the pyramid principle will most often be employed when delivering the final recommendation to your client. This means - as is implicit in the name - that you would organise your recommendation (and communication in general) as a pyramid, stating the conclusion or most important element at the top then go down the pyramid listing 3 supporting arguments and then further (ideally also 3) supporting arguments for those supporting arguments.

Let’s look at this in practice: your client is a German air-conditioning unit manufacturer who was looking to expand into the French market. However, after your analysis you’ve determined that the market share they were looking to capture would not be feasible. A final recommendation using the Pyramid Principle would sound something like this: ‘I recommend that we do not enter the German market for the following three reasons. Firstly, the market is too small for our ambitions of $50 million. Secondly the market is heavily concentrated, being controlled by three major players and our 5 year goal would amount to controlling 25% of the market, a share larger than that of any of the players. Thirdly, the alternative of going into the corporate market would not be feasible, as it has high barriers to entry.Then, if needed, we could delve deeper into each of our categories

6. Case examples or building blocks?

As we mentioned before, in your preparation you will undoubtedly find preparation resources that claim that there are several standard types of cases and that there is a general framework that can be applied to each type of case. While there are indeed cases that are straightforward at least in appearance and seemingly invite the application of such frameworks, the reality is never that simple and cases often involve multiple or more complicated components that cannot be fitted into a simple framework.

At MCC we don’t want you to get into the habit of trying to identify which case type you’re dealing with and pull out a framework, but we do recognize that there are recurring elements in frameworks that are useful - such as the profitability of a venture (with its revenues and costs), the valuation of a business, estimating and segmenting a market and pricing a product.

We call these building blocks because they can be used to build case frameworks but are not a framework in and of themselves, and they can be shuffled around and rearranged in any way necessary to be tailored to our case. Hence, our approach is not to make you think in terms of case types but work from first principles and use these building blocks to build your own framework. Let’s take two case prompts to illustrate our point.

The first is from the Bain website, where the candidate is asked whether they think it’s a good idea for their friend to open a coffee shop in Cambridge UK (see the case here ). The answer framework provided here is a very straightforward profitability analysis framework, examining the potential revenues and potential costs of the venture:

While this is a good point to start (especially taken together with the clarifying questions), we will notice that this approach will need more tailoring to the case - for example the quantity of coffee will be determined by the market for coffee drinkers in Cambridge, which we have to determine based on preference. We are in England so a lot of people will be drinking tea but we are in a university town so perhaps more people than average are drinking coffee as it provides a better boost when studying. All these are some much needed case-tailored hypotheses that we can make based on the initial approach.

Just by looking at this case we might be tempted to say that we can just take a profitability case and apply it without any issues. However, this generic framework is just a starting point and in reality we would need to tailor it much further in the way we had started to do in order to get to a satisfactory answer. For example, the framework itself doesn’t cover aspects such as the customer’s expertise: does the friend have any knowledge of the coffee business, such as where to source coffee and how to prepare it? Also, we could argue there may be some legal factors to consider here, such as any approvals that they might need from the city council to run a coffee shop on site, or some specific trade licences that are not really covered in the basic profitability framework.

Let’s take a different case , however, from the McKinsey website. In this scenario, the candidate is being asked to identify some factors in order to choose where to focus the client’s conservation efforts. Immediately we can realise that this case doesn’t lend itself to any pre-packaged framework and we will need to come up with something from scratch - and take a look at McKinsey’s answer of the areas to focus on:

We notice immediately that this framework is 100% tailored to the case - of course there are elements which we encounter in other cases, such as costs and risks but again these are applied in an organic way. It’s pretty clear that while no standard framework would work in this case, the aforementioned concepts - costs and risks - and the way to approach them (a.k.a building blocks ) are fundamentally similar throughout cases (with the obvious specificities of each case).

In what follows, we’ll give a brief description of each building block starting from the Bain example discussed previously, in order to give you a general idea of what they are and their adaptability, but you should make sure to follow the link to the in-depth articles to learn all their ins and outs.

6.1 Estimates and segmentation

This building block will come into play mostly when you’re thinking about the market for a certain product (but make sure to read the full article for more details). Let’s take our Bain Cambridge coffee example. As we mentioned under the quantity bucket we need to understand what the market size for coffee in Cambridge would be - so we can make an estimation based on segmentation .

The key to a good estimation is the ability to logically break down the problem into more manageable pieces. This will generally mean segmenting a wider population to find a particular target group. We can start off with the population of Cambridge - which we estimate at 100.000. In reality the population is closer to 150.000 but that doesn’t matter - the estimation has to be reasonable and not accurate , so unless the interviewer gives you a reason to reconsider you can follow your instinct. We can divide that into people who do and don’t drink coffee. Given our arguments before, we can conclude that 80% of those, so 80.000 drink coffee. Then we can further segment into those who drink regularly - let’s say every day - and those who drink occasionally - let’s say once a week. Based on the assumptions before about the student population needing coffee to function, and with Cambridge having a high student population, we can assume that 80% of those drinking coffee are regular drinkers, so that would be 64.000 regular drinkers and 16.000 occasional drinkers. We can then decide whom we want to target what our strategy needs to be:

This type of estimation and segmentation can be applied to any case specifics - hence why it is a building block.

6.2 Profitability

We had several looks at this building block so far (see an in-depth look here ) as it will show up in most scenarios, since profit is a key element in any company’s strategy. As we have seen, the starting point to this analysis is to consider both the costs and revenues of a company, and try to determine whether revenues need to be improved or whether costs need to be lowered. In the coffee example, the revenues are dictated by the average price per coffe x the number of coffees sold , whereas costs can be split into fixed and variable .

Some examples of fixed costs would be the rent for the stores and the cost of the personnel and utilities, while the most obvious variable costs would be the coffee beans used and the takeaway containers (when needed). We may further split revenues in this case into Main revenues - i.e. the sales of coffee - and Ancillary revenues , which can be divided into Sales of food products (sales of pastries, sandwiches etc., each with the same price x quantity schema) and Revenues from events - i.e renting out the coffee shop to events and catering for the events themselves. Bear in mind that revenues will be heavily influenced by the penetration rate , i.e. the share of the market which we can capture.

6.3 Pricing

Helping a company determine how much they should charge for their goods or services is another theme that comes up frequently in cases. While it may seem less complicated than the other building blocks, we assure you it’s not - you will have to understand and consider several factors, such as the costs a company is incurring, their general strategic positioning, availability, market trends as well as the customers’ willingness to pay (or WTP in short) - so make sure to check out our in-depth guide here .

In our example, we may determine that the cost per cup (coffee beans, staff, rent) is £1. We want to be student friendly so we should consider how much students would want to pay for a coffee as well as how much are competitors are charging. Based on those factors, it would be reasonable to charge on average £2 per cup of coffee. It’s true that our competitors are charging £3 but they are targeting mostly the adult market, whose willingness to pay is higher, so their pricing model takes that into account as well as the lower volume of customers in that demographic.

6.4. Valuation

A variant of the pricing building block, a valuation problem generally asks the candidate to determine how much a client should pay for a specific company (the target of an acquisition) as well as what other factors to consider. The two most important factors (but not the only ones - for a comprehensive review see our Valuation article ) to consider are the net present value (in consulting interviews usually in perpetuity) and the synergies .

In short, the net present value of a company is how much profit it currently brings in, divided by how much that cash flow will depreciate in the future and can be represented with the equation below:

The synergies refer to what could be achieved should the companies operate as one, and can be divided into cost and revenue synergies .

Let’s expand our coffee example a bit to understand these. Imagine that our friend manages to open a chain of coffee shops in Cambridge and in the future considers acquiring a chain of take-out restaurants. The most straightforward example of revenue synergies would be cross-selling, in this case selling coffee in the restaurants as well as in the dedicated stores, and thus getting an immediate boost in market share by using the existing customers of the restaurant chain. A cost synergy would be merging the delivery services of the two businesses to deliver both food and coffee, thus avoiding redundancies and reducing costs associated with twice the number of drivers and vehicles.

6.5. Competitive interaction

This component of cases deals with situations where the market in which a company is operating changes and the company must decide what to do. These changes often have to do with a new player entering the market (again for more details make sure to dive into the Competitive Interaction article ).

Let’s assume that our Cambridge coffee shop has now become a chain and has flagged up to other competitors that Cambridge is a blooming market for coffee. As such, Starbucks has decided to open a few stores in Cambridge themselves, to test this market. The question which might be posed to a candidate is what should our coffee chain do. One way (and a MECE one) to approach the problem is to decide between doing something and doing nothing . We might consider merging with another coffee chain and pooling our resources or playing to our strengths and repositioning ourselves as ‘your student-friendly, shop around the corner’. Just as easily we may just wait the situation out and see whether indeed Starbucks is cutting into our market share - after all, the advantages of our product and services might speak for themselves and Starbucks might end up tanking. Both of these are viable options if argued right and depending on the further specifics of the case.

6.6. Special cases

Most cases deal with private sectors, where the overarching objective entails profit in some form. However, as hinted before, there are cases which deal with other sectors where there are other KPIs in place . The former will usually contain one or several of these building blocks whereas the latter will very likely have neither. This latter category is arguably the one that will stretch your analytical and organisational skills to the limit, since there will be very little familiarity that you can fall back on (McKinsey famously employs such cases in their interview process).

So how do we tackle the structure for such cases? The short answer would be starting from first principles and using the problem driven structure outlined above, but let’s look at a quick example in the form of a McKinsey case :

The first question addressed to the candidate is the following:

This is in fact asking us to build a structure for the case. So what should we have in mind here? Most importantly, we should start with a structure that is MECE and we should remember to do that by considering all the stakeholders . They are on the one hand the government and affiliated institutions and on the other the population. We might then consider which issues might arise for each shareholder and what the benefits for them would be, as well as the risks. This approach is illustrated in the answer McKinsey provides as well:

More than anything, this type of case shows us how important it is to practise and build different types of structures, and think about MECE ways of segmenting the problem.

7. How Do I prepare for case interviews

In consulting fashion, the overall preparation can be structured into theoretical preparation and practical preparation , with each category then being subdivided into individual prep and prep with a partner .

As a general rule, the level and intensity of the preparation will differ based on your background - naturally if you have a business background (and have been part of a consulting club or something similar) your preparation will be less intensive than if you’re starting from scratch. The way we suggest you go about it is to start with theoretical preparation , which means learning about case interviews, business and basic consulting concepts (you can do this using free resources - such as the ones we provide - or if you want a more through preparation you can consider joining our Case Academy as well).

You can then move on to the practical preparation which should start with doing solo cases and focusing on areas of improvement, and then move on to preparation with a partner , which should be another candidate or - ideally - an ex-consultant.

Let’s go into more details with respect to each type of preparation.

7.1. Solo practice

The two most important areas of focus in sole preparation are:

• Mental math

As we mentioned briefly, the best use of your time is to focus on solving cases. You can start with cases listed on MBB sites since they are clearly stated and have worked solutions as well (e.g. Bain is a good place to start) and then move to more complex cases (our Case Library also offers a range of cases of different complexities). To build your confidence, start out on easier case questions, work through with the solutions, and don't worry about time. As you get better, you can move on to more difficult cases and try to get through them more quickly. You should practice around eight case studies on your own to build your confidence.

Another important area of practice is your mental mathematics as this skill will considerably increase your confidence and is neglected by many applicants - much to their immediate regret in the case interview. Find our mental math tool here or in our course, and practice at least ten minutes per day, from day one until the day before the interview.

7.2. Preparation with a partner

There are aspects of an interview - such as asking clarifying questions - which you cannot do alone and this is why, after you feel comfortable, you should move on to practice with another person. There are two options here:

• Practicing with a peer
• Practicing with an ex-consultant

In theory they can be complementary - especially if you’re peer is also preparing for consulting interviews - and each have advantages and disadvantages. A peer is likely to practice with you for free for longer, however you may end up reinforcing some bad habits or unable to get actionable feedback. A consultant will be able to provide you the latter but having their help for the same number of hours as a peer will come at a higher cost. Let’s look at each option in more detail.

7.2.1. Peer preparation

Once you have worked through eight cases solo, you should be ready to simulate the interview more closely and start working with another person.

Here, many candidates turn to peer practice - that is, doing mock case interviews with friends, classmates or others also applying to consulting. If you’re in university, and especially in business school, there will very likely be a consulting club for you to join and do lots of case practice with. If you don’t have anyone to practice, though, or if you just want to get a bit more volume in with others, our free meeting board lets you find fellow applicants from around the world with whom to practice. We recommend practicing around 10 to 15 ‘live’ cases to really get to a point where you feel comfortable.

7.2.2. Preparation with a consultant

You can do a lot practising by yourself and with peers. However, nothing will bring up your skills so quickly and profoundly as working with a real consultant.

Perhaps think about it like boxing. You can practice drills and work on punch bags all you want, but at some point you need to get into the ring and do some actual sparring if you ever want to be ready to fight.

Practicing with an ex consultant is essentialy a simulation of an interview. Of course, it isn’t possible to secure the time of experienced top-tier consultants for free. However, when considering whether you should invest to boost your chances of success, it is worth considering the difference in your salary over even just a few years between getting into a top-tier firm versus a second-tier one. In the light of thousands in increased annual earnings (easily accumulating into millions over multiple years), it becomes clear that getting expert interview help really is one of the best investments you can make in your own future.

Should you decide to make this step, MyConsultingCoach can help, offering bespoke mentoring programmes , where you are paired with a 5+ year experienced, ex-MBB mentor of your choosing, who will then oversee your whole case interview preparation from start to finish - giving you your best possible chance of landing a job!

7.3. Practice for online interviews

Standard preparation for interview case studies will carry directly over to online cases.

However, if you want to do some more specific prep, you can work through cases solo to a timer and using a calculator and/or Excel (online cases generally allow calculators and second computers to help you, whilst these are banned in live case interviews).

Older PST-style questions also make great prep, but a particularly good simulation is the self-assessment tests included in our Case Academy course . These multiple choice business questions conducted with a strict time limit are great preparation for the current crop of online cases.

7.4. Fit interviews

As we’ve noted, even something billed as a case interview is very likely to contain a fit interview as a subset.

We have an article on fit interviews and also include a full set of lessons on how to answer fit questions properly as a subset of our comprehensive Case Academy course .

Here though, the important thing to convey is that you take preparing for fit questions every bit as seriously as you do case prep.

Since they sound the same as you might encounter when interviewing for other industries, the temptation is to regard these as “just normal interview questions”.

However, consulting firms take your answers to these questions a good deal more seriously than elsewhere.

This isn’t just for fluffy “corporate culture” reasons. The long hours and close teamwork, as well as the client-facing nature of management consulting, mean that your personality and ability to get on with others is going to be a big part of making you a tolerable and effective co-worker.

If you know you’ll have to spend 14+ hour working days with someone you hire and that your annual bonus depends on them not alienating clients, you better believe you’ll pay attention to their character in interview.

There are also hard-nosed financial reasons for the likes of McKinsey, Bain and BCG to drill down so hard on your answers.

In particular, top consultancies have huge issues with staff retention. The average management consultant only stays with these firms for around two years before they have moved on to a new industry.

In some cases, consultants bail out because they can’t keep up with the arduous consulting lifestyle of long hours and endless travel. In many instances, though, departing consultants are lured away by exit opportunities - such as the well trodden paths towards internal strategy roles, private equity or becoming a start-up founder.

Indeed, many individuals will intentionally use a two year stint in consulting as something like an MBA they are getting paid for - giving them accelerated exposure to the business world and letting them pivot into something new.

Consulting firms want to get a decent return on investment for training new recruits. Thus, they want hires who not only intend to stick with consulting longer-term, but also have a temperament that makes this feasible and an overall career trajectory where it just makes sense for them to stay put.

This should hammer home the point that, if you want to get an offer, you need to be fully prepared to answer fit questions - and to do so excellently - any time you have a case interview.

8. Interview day - what to expect, with tips

Of course, all this theory is well and good, but a lot of readers might be concerned about what exactly to expect in real life . It’s perfectly reasonable to want to get as clear a picture as possible here - we all want to know what we are going up against when we face a new challenge!

Indeed, it is important to think about your interview in more holistic terms, rather than just focusing on small aspects of analysis. Getting everything exactly correct is less important than the overall approach you take to reasoning and how you communicate - and candidates often lose sight of this fact.

In this section, then, we’ll run through the case interview experience from start to finish, directing you to resources with more details where appropriate. As a supplement to this, the following video from Bain is excellent. It portrays an abridged version of a case interview, but is very useful as a guide to what to expect - not just from Bain, but from McKinsey, BCG and any other high-level consulting firm.

8.1. Getting started

Though you might be shown through to the office by a staff member, usually your interviewer will come and collect you from a waiting area. Either way, when you first encounter them, you should greet your interviewer with a warm smile and a handshake (unless they do not offer their hand). Be confident without verging into arrogance. You will be asked to take a seat in the interviewer’s office, where the interview can then begin.

8.1.1. First impressions

In reality, your assessment begins before you even sit down at your interviewer’s desk. Whether at a conscious level or not, the impression you make within the first few seconds of meeting your interviewer is likely to significantly inform the final hiring decision (again, whether consciously or not).

Your presentation and how you hold yourself and behave are all important . If this seems strange, consider that, if hired, you will be personally responsible for many clients’ impressions of the firm. These things are part of the job! Much of material on the fit interview is useful here, whilst we also cover first impressions and presentation generally in our article on what to wear to interview .

As we have noted above, your interview might start with a fit segment - that is, with the interviewer asking questions about your experiences, your soft skills, and motivation to want to join consulting generally and that firm in particular. In short, the kinds of things a case study can’t tell them about you. We have a fit interview article and course to get you up to speed here.

8.1.2. Down to business

Following an initial conversation, your interviewer will introduce your case study , providing a prompt for the question you have to answer. You will have a pen and paper in front of you and should (neatly) note down the salient pieces of information (keep this up throughout the interview).

It is crucial here that you don’t delve into analysis or calculations straight away . Case prompts can be tricky and easy to misunderstand, especially when you are under pressure. Rather, ask any questions you need to fully understand the case question and then validate that understanding with the interviewer before you kick off any analysis. Better to eliminate mistakes now than experience that sinking feeling of realising you have gotten the whole thing wrong halfway through your case!

This process is covered in our article on identifying the problem and in greater detail in our Case Academy lesson on that subject.

8.1.3. Analysis

Once you understand the problem, you should take a few seconds to set your thoughts in order and draw up an initial structure for how you want to proceed. You might benefit from utilising one or more of our building blocks here to make a strong start. Present this to your interviewer and get their approval before you get into the nuts and bolts of analysis.

We cover the mechanics of how to structure your problem and lead the analysis in our articles here and here and more thoroughly in the MCC Case Academy . What it is important to convey here, though, is that your case interview is supposed to be a conversation rather than a written exam . Your interviewer takes a role closer to a co-worker than an invigilator and you should be conversing with them throughout.

Indeed, how you communicate with your interviewer and explain your rationale is a crucial element of how you will be assessed. Case questions in general, are not posed to see if you can produce the correct answer, but rather to see how you think . Your interviewer wants to see you approach the case in a structured, rational fashion. The only way they are going to know your thought processes, though, is if you tell them!

To demonstrate this point, here is another excellent video from Bain, where candidates are compared.

Note that multiple different answers to each question are considered acceptable and that Bain is primarily concerned with the thought processes of the candidate’s exhibit .

Another reason why communication is absolutely essential to case interview success is the simple reason that you will not have all the facts you need to complete your analysis at the outset. Rather, you will usually have to ask the interviewer for additional data throughout the case to allow you to proceed .

NB: Don't be let down by your math!

Your ability to quickly and accurately interpret these charts and other figures under pressure is one of the skills that is being assessed. You will also need to make any calculations with the same speed and accuracy (without a calculator!). As such, be sure that you are up to speed on your consulting math .

8.1.4. Recommendation

Finally, you will be asked to present a recommendation. This should be delivered in a brief, top-down "elevator pitch" format , as if you are speaking to a time-pressured CEO. Again here, how you communicate will be just as important as the details of what you say, and you should aim to speak clearly and with confidence.

For more detail on how to give the perfect recommendation, take a look at our articles on the Pyramid Principle and providing recommendations , as well the relevant lesson within MCC Academy .

8.1.5. Wrapping up

After your case is complete, there might be a few more fit questions - including a chance for you to ask some questions of the interviewer . This is your opportunity to make a good parting impression.

We deal with the details in our fit interview resources. However, it is always worth bearing in mind just how many candidates your interviewers are going to see giving similar answers to the same questions in the same office. A pretty obvious pre-requisite to being considered for a job is that your interviewer remembers you in the first place. Whilst you shouldn't do something stupid just to be noticed, asking interesting parting questions is a good way to be remembered.

Now, with the interview wrapped up, it’s time to shake hands, thank the interviewer for their time and leave the room .

You might have other interviews or tests that day or you might be heading home. Either way, if know that you did all you could to prepare, you can leave content in the knowledge that you have the best possible chance of receiving an email with a job offer. This is our mission at MCC - to provide all the resources you need to realise your full potential and land your dream consulting job!

8.2. Remote and one-way interview tips

Zoom case interviews and “one-way” automated fit interviews are becoming more common as selection processes are increasingly remote, with these new formats being accompanied by their own unique challenges.

Obviously you won’t have to worry about lobbies and shaking hands for a video interview. However, a lot remains the same. You still need to do the same prep in terms of getting good at case cracking and expressing your fit answers. The specific considerations around remote interviews are, in effect, around making sure you come across as effectively as you would in person.

8.2.1. Connection

It sounds trivial, but a successful video interview of any kind presupposes a functioning computer with a stable and sufficient internet connection.

Absolutely don’t forget to have your laptop plugged in, as your battery will definitely let you down mid-interview. Similarly, make sure any housemates or family know not to use the microwave, vacuum cleaner or anything else that makes wifi cut out (or makes a lot of noise, obviously)

If you have to connect on a platform you don’t use much (for example, if it’s on Teams and you’re used to Zoom), make sure you have the up to date version of the app in advance, rather than having to wait for an obligatory download and end up late to join. Whilst you’re at it, make sure you’re familiar with the controls etc. At the risk of being made fun of, don’t be afraid to have a practice call with a friend.

8.2.2. Dress

You might get guidance on a slightly more relaxed dress code for a Zoom interview. However, if in doubt, dress as you would for the real thing (see our article here ).

Either way, always remember that presentation is part of what you are being assessed on - the firm needs to know you can be presentable for clients. Taking this stuff seriously also shows respect for your interviewer and their time in interviewing you.

8.2.3. Lighting

An aspect of presentation that you have to devote some thought to for a Zoom interview is your lighting.

Hopefully, you long ago nailed a lighting set-up during the Covid lockdowns. However, make sure to check your lighting in advance with your webcam - bearing in mind what time if day your interview actually is. If your interview is late afternoon, don’t just check in the morning. Make sure you aren’t going to be blinded from light coming in a window behind your screen, or that you end up with the weird shadow stripes from blinds all over your face.

Natural light is always best, but if there won’t be much of that during your interview, you’ll likely want to experiment with moving some lamps around.

8.2.4. Clarity

The actual stories you tell in an automated “one-way” fit interview will be the same as for a live equivalent. If anything, things should be easier, as you can rattle off a practised monologue without an interviewer interrupting you to ask for clarifications.

You can probably also assume that the algorithm assessing your performance is sufficiently capable that it will be observing you at much the same level as a human interviewer. However, it is probably still worth speaking as clearly as possible with these kinds of interviews and paying extra attention to your lighting to ensure that your face is clearly visible.

No doubt the AIs scoring these interviews are improving all the time, but you still want to make their job as easy as possible. Just think about the same things as you would with a live Zoom interview, but more so.

9. How we can help

There are lots of great free resources on this site to get you started with preparation, from all our articles on case solving and consulting skills to our free case library and peer practice meeting board .

To step your preparation up a notch, though, our Case Academy course will give you everything you need to know to solve the most complex of cases - whether those are in live interviews, with chatbots, written tests or any other format.

Whatever kind of case you end up facing, nothing will bring up your skillset faster than the kind of acute, actionable feedback you can get from a mock case interview a real, MBB consultant. Whilst it's possible to get by without this kind of coaching, it does tend to be the biggest single difference maker for successful candidates.

You can find out more on our coaching page:

Explore Coaching

Of course, for those looking for a truly comprehensive programme, with a 5+ year experienced MBB consultant overseeing their entire prep personally, from networking and applications right through to your offer, we have our mentoring programmes.

You can read more here:

Comprehensive Mentoring

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A Comprehensive Guide to Case Interview Prep [tips updated 2024]

• Last Updated March, 2024

Rebecca Smith-Allen

Former McKinsey Engagement Manager

What Are the Best Ways to Prepare for Interviews with Management Consulting Firms?

Congratulations!

If you’re on this page, you’re probably considering a career in management consulting or are already in the middle of the interview process.

We’re here to help.

We’re a team of more than 20 former McKinsey, Bain, and BCG consultants and recruiters (our average time in consulting is 13 years each) and we put together this guide to help you prepare for getting your consulting offer.

After reading this, we hope “congratulations” is also what you’ll hear when you leave your final interviews.

Management Consulting Jobs Are in High Demand

Management consulting jobs are among the most sought-after positions in on-campus recruiting, whether you’re applying as an undergraduate or from a business school. 

Consulting firm recruits also include law school students, Ph.D. program candidates and people who’ve already started their professional careers in other industries.

Management consulting firms are filled with smart, driven people working to solve hard business problems. 

This work is a great launching pad for your career. 

Top consultancies offer competitive salaries and also invest significantly in employee development. A job at a management consulting firm will expose you to multiple different industries and types of business problems. 

There’s a lot to like about a career in consulting!

Competition for Jobs with Top Consulting Firms Is Fierce, so Preparation Is Essential.

But attractive jobs are usually highly competitive, and that’s definitely the case in management consulting. 

Top firms typically make offers to only about 1% of the people who apply. It’s not impossible to get a job with firms like McKinsey, Bain, and BCG (also known as the MBB firms), but it requires preparation.

In particular, successful candidates know that consulting firms use a particular type of interview question — the case study interview — and they know what recruiters are looking for in answers. 

In this article, we’ll help you prepare for management consulting interviews by answering the following questions:

• What is a case interview?
• How do I answer a case question?
• What is the best approach for case interview prep?

We’ll also provide tips and tricks that will help you to ace your case.  

Whether you’re aiming for a job at one of the MBB firms (McKinsey, Bain, or BCG), with other consultancies such as AT Kearney, L.E.K. or Oliver Wyman, or with the consulting arms of the large accounting firms such as Deloitte, Accenture, PwC, Ernst & Young, or KPMG, we can help you get there.  

What Is a Consulting Case Study Interview (also known as the “Case Interview”)?

A Case Study Interview is a real-time problem-solving test used to screen candidates for their ability to succeed in consulting. 

The case is presented as an open-ended question, often a problem that a specific type of business is facing, that an interviewer asks a candidate to solve.

Sample Case Interview Questions

Sales of drinks in Coffee Bean cafes are decreasing. What is causing the sales decrease?

Turnover of store employees at Burgers R’ Us restaurants has increased over prior years. What would you advise the company to do?

Donations to Caring Hands are decreasing, straining the non-profit’s ability to help the families it targets. What should the organization do to turn this around?

Case Interview 101 – The Basics for Beginners

You don’t need an MBA or an undergraduate degree in economics to land a job in consulting. But you will need to learn some business basics to be able to crack case interviews.

This section covers the concepts non-business students need to become familiar with, such as:

• The income statement – an overview
• Common formulas used in case interviews
• Business concepts you need to know
• Common types of case interviews

Case Interview 101, Part 1: The Income Statement

To solve cases, you first need to understand broadly how companies make money. For any specific case, you’ll want to make sure you understand how that company makes money. 

The most common way companies make money is by selling a product or service for more than it costs to produce, thereby earning a profit . 

Companies use three major financial statements to monitor and report their financial performance: 

(1) The income statement (2) The balance sheet (3) The cash flow statement 

An income statement (or profit and loss statement or statement of revenue and expenses) is a record of a company’s profit or loss over a specific period of time . The profit or loss is calculated by taking the revenues generated and subtracting the expenses incurred over the same period of time. The income statement has 3 major categories: Revenue, Expenses, and Profit or Loss .

Revenue is the total amount of money generated by a company from selling its products or services. It is also referred to as gross sales or “top line” as it sits at the top of the income statement. 

Costs are expenses incurred by a company to make its products or services. In the income statement there are three types of costs: 

• Costs of goods sold (COGS) or cost of sales are the direct costs of making products or providing a service. For a burger restaurant, for example, the COGS would include things like the meat, bun, and hourly labor of cooks, cashiers, and shift supervisors.
• Operating expenses are costs that are indirectly tied to the making of products or services. These include selling, general, and administrative (SGA) expenses, management salaries, depreciation, and amortization. Depreciation and amortization are non-cash expenses that reflect the value of big assets like machinery or buildings going down over time. For example, if our burger restaurant buys a grill to cook burgers on for $1,000 and expects it to last for 10 years, it would spread out the cost over that period, $100 per year. Other operating expenses for our burger restaurant would include things like advertising, the rent on the company’s headquarters, and the salary of the CEO.
• Costs incurred from non-operating activities such as interest paid on loans. These costs are rarely part of case interviews.

Profit or Loss :

Income statements generally show 3 levels of profit (loss) or earnings: Gross Profit; Earnings Before Interest, Tax, Depreciation and Amortization (EBITDA); and Net Profit.

Gross profit or loss

This is calculated by subtracting COGS or the cost of sales from the total revenue generated. If the costs are higher than the revenue generated, then the company has made a loss.

EBITDA and EBIT

EBITDA is calculated by subtracting operating expenses from the gross profit. EBIT is calculated by subtracting depreciation and amortization from EBITDA. 

As mentioned above, depreciation and amortization are non-cash expenses. So if the amount of cash generated by selling a product or service is important to your analysis, you should look at EBITDA. If looking at a more fully loaded cost is the focus of your analysis, use EBIT.

Net Profit or Loss

This is calculated by subtracting interest and tax from EBIT. It is also known as Net Income and refers to the profit (or loss) for the period. This is also known as the “bottom line” as it sits at the bottom of the income statement. This is the ultimate measure of whether a company’s activities are profitable during a certain time period when all costs are considered.  

Case Interview 101, Part 2: Common Formulas Used in Case Interviews

Here is a look at common formulas used in case interviews.

Profitability formula:

The profitability formula is used in profit (or loss) related cases. The profit or loss can be calculated using the following formula:

             Profit (or Loss) = Revenue – Costs

As mentioned above:

• Revenue is the money generated from selling a product or service. It can be broken down into price per unit and number of units sold . 
• Costs are the expenses incurred to make the product or service and can be broken down into cost per unit and number of units sold . 

The formula can further be broken down into:

            Profit (or Loss) = (price per unit x number of units sold) – (cost per unit x number of units sold)

There are other ways to break down revenue and cost depending on the case question.

• Revenue can be broken down by product or service line, customer type, or geographic region (e.g., North American, Europe, Asia)
• Costs can be broken into fixed costs and variable costs, or components such as overhead, salary, etc.

It is often helpful to break costs down into fixed and variable to solve consulting cases, and understanding the difference is important. Fixed costs, like rent for a store or the cost of equipment, are incurred regardless of how many units a company sells; whereas variable costs are only incurred with the production of each additional unit. Because of this, it can be helpful to sell incremental units even at a loss for a short period of time if it helps cover fixed costs.

So the profitability formula can also be written as:

            Profit (or Loss) = (price per unit x number of units sold) – (fixed + variable costs)

P rofitability example:

Your client, a manufacturer, is facing a decline in profits. Your client wants your help solving this problem. We’ll use this example to demonstrate all the formulas in this section.

The first step you could take is to calculate the past year’s profit given the following information:

• Number of units sold = 1 million
• Price per unit = $10
• Cost per unit = $8

          Profit (or Loss) = ($10 x 1 million) – ($8 x 1 million)

          Profit = $2 million

Profit margin formula:

Profit margin indicates how many cents of profit the company generated for each dollar of sale. It’s typically used to measure the financial health of a company . You can compare the profit margin of a company against its historical margins to evaluate whether its current performance is better or worse than past performance. You can also compare it against companies in the same industry to evaluate whether its financial performance is stronger or weaker.

Profit margin can be calculated using the formula:

          Profit margin = (Profit / Revenue ) *100%

Profit margin example:

To calculate the profit margin, first, you need to calculate company revenues as follows:

            Revenue = 1 million x $10

           Revenue = $ 10 million

You can now calculate the profit margin as follows:

            Profit margin = ($2 million / $10 million) x 100%

           Profit margin = 20%

Note you can combine both the formulas for faster calculation.

Market share formula:

Market share is the size of the company in relation to the size of the industry in which it operates, where size is typically measured in annual revenues. It is used to compare the size of a company to its competitors and the industry as a whole. It can be used in market entry cases because industries with a lot of small competitors are generally easier to enter than ones with only a few big competitors. It’s also used in profitability cases because, in general, companies with a large market share also have more market power to do things like set prices.

Market share can be calculated using the following formula:

            Market share (%) =total company revenue / total industry revenue  

Market share example:

Using the example from above, say you decide to determine the company’s market share as part of your analysis. In this example, the industry has annual revenues of $ 200 million.

            Market share (%) = $ 10 million / $ 200 million

           Market share = 5%

Growth Rate Formula:

This refers to the specific change of a variable within a specific period of time. Growth rates can be used in assessing the financial performance of a company over time. For example, high revenue growth rates would likely be a sign of strong financial performance. High cost growth rates may be a sign that a company is having financial trouble.

The growth rate is calculated using the formula:

            Growth rate (%) = (New – Old) / Old

Growth rate example:

To calculate the manufacturer’s revenue growth rate. Last year’s revenue was $ 9.5 million therefore the revenue growth rate is:

            Revenue growth rate = ($10 million – $9.5 million) / $9.5 million

            Revenue growth rate =5%

You can assess whether a company’s growth rate is strong by comparing it to other growth rates such as:

• The company’s growth in the prior year.
• The growth of the market or of competitors.
• The rate of inflation.

Mature companies are likely to see single-digit growth rates unless they launch a very successful new product or they acquire a company. On the other hand, startup investors typically expect double- or triple-digit annual growth during a company’s early years.

Return on investment formula:

Return on investment (ROI) is a profitability metric that indicates how well an investment performed (or will perform). It can be used to compare the profitability or efficiency of an investment or decide which of alternative investments to make. 

ROI is calculated using the following formula:

            ROI (%) = Profit / Cost of investment

ROI example:

Suppose our manufacturer mentions that they purchased state-of-the-art machinery to make their product. It cost $8 million. You decide to calculate the ROI on this investment. 

            ROI  = $2 million / $8 million

           ROI=25%

Break-even formula:

Break-even is the point at which the total revenue and total costs are equal, meaning there is no loss or profit at that point. Break-even is typically used to help companies determine the minimum number of units that need to be sold to cover all the costs used to produce those units. 

An executive might want to know that they could break even at 100,000 units sold because if she thought they could sell more than that, it would be profitable to enter the market. If she thought they’d sell less, they wouldn’t enter the market.

Break-even can be calculated using the following formula:

              Breakeven (units) = Fixed costs  / (sales price – variable cost per unit)

Break-even example:

If a product required a $50,000 investment in equipment (a fixed cost), sold for $5, and cost $4 per unit in variable costs, its breakeven would be: 

              Breakeven (units) = $50,000  / ($5 – $4)

              Breakeven= 50,000 units

Payback period formula:

Managers may also look at the payback period on an investment or, in other words, how long it would take to earn back the cash required to enter a new business. This investment could be a new piece of equipment or a marketing campaign needed to create customer awareness of a new product. This is a different way of looking at the same question that the breakeven formula asks: is it worth my while to make this investment?

The payback period can be calculated using the following formula:

              Payback (years) = Investment cost / annual profit

Payback years example:

Using the same example, you decided to calculate the payback years of the new state-of-art machinery

            Payback (years)= $8 million / $2 million

           Payback = 4 years

Capacity of equipment:

The capacity of equipment is the maximum output or units a piece of equipment can produce with the available resources over a set period of time.

Capacity can be calculated using the following formula:

            Capacity (units) =Total capacity / Capacity required to make one unit

Capacity example:

To calculate the capacity of our manufacturer’s machinery, we’d need to know that it can produce a unit every 10 minutes and that the client operates 12-hour shifts.

              Capacity (units) = 12 hours x (60 minutes per hour) / 10 minutes

             Capacity = 72 units / day

The utilization rate of equipment:

Utilization rate is the percent of available time the equipment or machinery is actually used. It measures efficiency and can be used by companies to make informed decisions on timelines and inventory, or whether additional equipment is needed.

The utilization rate of equipment can be calculated by the following formula:

              Utilization rate (%) =Actual output / Maximum output

Utilization rate example:

Using the same example, imagine that the management tells you that in a 12-hour shift, the machine produces 50 units and there are two 45-minute breaks.

First, you would need to calculate the potential output.

               Actual hours of operation = 12 hours – 1.5 hours = 10.5 hours

               Potential output = (10.5 hours / 12 hours) x 72 units

               Potential output = 63 units

Then, calculate the utilization rate.

                Utilization rate = 50 units / 63 units

                Utilization rate = 79%

Utilization rates raise interesting issues in a case. It raises questions such as:

• If potential output is 63 units, why are only 50 being produced (e.g., machine downtime, worker errors), and what can be done to solve these problems?
• Could the company stagger employee breaks to get potential output up to 72 units from 63?

Case Interview 101, Part 3: Business Concepts You Need to Know

Here are some common business concepts that you need to know as you prepare for your interview.

Process : This is a set of actions or operations that lead to results (products or services). This typically describes how a company makes its products or services. The steps can be performed by workers, equipment, or computers. In a case, this is mostly used in situations where a client would like to make their processes more efficient. For example, a client who is in logistics would like to reduce the cost of its operations by improving the efficiency of its processes, such as by reducing equipment downtime or scheduling deliveries according to time-saving routes. 

Best practices: Best practices are methods or techniques that are considered to be the working standards and guides in a given situation . In a business situation, best practices are used to benchmark companies against the standard and can serve as a roadmap on how to improve the efficiency of their operations.

Hypotheses: Tentative answers to a problem or an assumption based on some evidence. The hypothesis-driven approach is a common approach to solving problems in the consulting world because consultants don’t want to waste time fully researching all possible solutions. They want to move quickly to the most likely answer and then test whether it is or is not the best answer. This approach can be used to solve case interview questions where you first assume an answer to the case problem and check whether this is true or not through analysis. If it is not true, you revise your hypothesis.

Issue tree: This is a common approach in consulting used to solve complex problems . An issue tree is used to break down complex problems into key components in a structured manner. In a case interview, you can use the issue tree to break down the client’s problem into manageable chunks or to break down a formula such as the profitability formula into key components.

Read our article for more information on Issue Trees .

MECE: MECE stands for mutually exclusive and collectively exhaustive . It is a way of bucketing problems, ideas, or solutions with no overlapping between the buckets and with each item having a place in one bucket only (mutually exclusive), and with the buckets including all possible items relevant to the context (collectively exhaustive). In a case interview, you can use MECE with the issue tree when breaking down problems or when identifying solutions for the client. MECE issue trees are considered the gold standard for problem-solving so this concept is very good to know. 

You can also use the concept of MECE when segmenting a market – for example, if you are sizing a market and intend to lay out different purchasing behavior assumptions for different customer segments. For example:

Customer segment                         Purchase frequency for items from coffee shops

Women under 30                             4 times per week, purchase includes food item plus beverage Men under 30                                     2 times per week, purchase includes only beverage Women 31 and over                         4 times per month, purchase includes only beverage Men 31 and over                                 3 times per month, purchase includes only beverage

Note how in this example, everyone would fall into one customer segment and only one customer segment. Read our article for more about MECE problem-solving .

Root causes: This is the core issue or main reason for a problem . It is used in problem-solving to identify solutions that appropriately address the problem. The term root cause is used to distinguish between symptoms of a problem, which may be obvious, and the underlying issue that needs to be solved, which may not be obvious. For example, a decline in sales volume is a symptom. The root cause could be high prices, poor product quality, product unavailability, or any number of other issues. You can’t fix the symptom of declining sales volume until you identify the root cause behind the problem. 

In a case interview, you’ll need to identify possible causes of the client’s problem and then ask questions and do analysis to identify the root cause. Once you do, you can make the most appropriate recommendations for the client.

Break-even analysis: This is the calculation used to determine the point at which the total revenue and total costs are equal meaning there is no loss or profit. In business situations, it helps determine at which point the business, investment, or new product or service will become profitable. In case interviews, you can use the break-even analysis to determine whether a client should make a certain investment, say in machinery or a new product line, based on how likely it is that they’ll exceed the break-even threshold.

Case Interview 101, Part 4: Common Types of Case Interviews

In this section, we will review 4 common types of case interviews.

Market-sizing Questions

Market-sizing questions typically appear in cases where clients want to grow or expand their business such as market entry or profitability cases. The client either wants to understand the market size of the current business or of a potential new product line or geography or customer group to understand whether it is big enough to be interesting. 

Sample case questions

“How many cups of coffee does Starbucks sell in a day?” “Estimate the fleet size of Delta Airlines.” “Estimate market size for air-conditioners in New York.”  “Estimate market size for an anti-smoking pill in the U.S.”

You are not expected to know the exact answer to market-sizing questions. Instead, the interviewer wants to see that you can use simple math and logical deduction to build out an answer. For these questions, it is good to memorize a few facts that will help you make assumptions. For example, a good place to start is the population of the U.S. or the population of a U.S. city (or country and city that you live in). 

For more information and examples, read our article on Market-sizing Cases .

Revenue Growth Case Interviews

In revenue growth cases, the client typically wants to grow their business. This can be done by increasing revenue of the current product/service line, by adding a new product/service line, or by selling to a new type of customer or in a new geography. 

They could do this by building a new offering, buying another company, or partnering (joint venture) with another company that already offers what they want to sell. 

“A manufacturer sees its revenue stagnating. It wants to know whether raising price or selling more units is a better path to growing revenue, and how to pursue it.”

“A local theater house thinks there is an opportunity to expand their current offerings to the very loyal client base. What new product or service could they offer their customers? What would be the impact on revenue from expanding their offerings?”

“A regional fast-food chain, serving hamburgers and fries, is experiencing increasing demand outside of its main regions of operation and wants to expand. What regions would have the biggest impact on its revenue?”

You should remember that there are multiple ways to achieve revenue growth. One thing to consider is the client and industry context when tackling revenue growth questions. For example, does the client have a good market size in the industry? Does the client have the capability to offer new products/services? Is the industry highly competitive?

For more information, read our article on Revenue Growth Cases .

Market Entry Case Interviews

In market entry cases, the client wants to know if they can enter a market and be profitable. For example, entering a different geography, new demography, or new product/service line. (Note, there can be overlap between revenue growth cases and market entry cases.)

“A U.S.-based consumer electronics manufacturer is thinking of expanding into emerging markets. What is the potential revenue growth if they choose to expand into India?”

“A telecom operator is looking to diversify their presence in the U.S. and wants to enter the video streaming market. How can they capture a significant market share?”

“A renewable energy company that specializes in large equipment such as windmills wants to enter the retail market and sell smaller equipment directly to individual homes. They would like to know if this is a good idea.”

There are a number of frameworks you can build off of to tackle a market-entry case. For example, Porter’s Five Forces, Business Situation Framework or 3C&P (customer, competition, company, and product), and Supply & Demand among others. It is key to consider the “new” market context as well as the client context to enter this market. 

To find out more on this, read our article on The Market Entry Framework .

Cost Optimization Case Interviews

Cost optimization cases or questions can be part of a profitability case where a client is experiencing declining profitability or when a client wants to improve efficiency.

“A national hotel chain has seen its operational costs significantly increase over the last year and would like you to figure out why.”

“A juice manufacturer has been experiencing a steady increase in revenue over the past 5 years however their cost has been increasing at a faster rate, meaning the profits have not grown as expected. What is the root cause of the significant increase in cost?”

“A tour company would like to reduce their costs due to the falling number of tourists over the past few years. What ways would you recommend for them to reduce their costs?’

For cost optimization cases, remember to break down the cost components. For example, you can break them down into fixed and variable costs or cost of goods sold and operational costs and then brainstorm the categories of each that will likely apply to the company at hand. This will make it easier to identify what costs should be reduced or eliminated.

Check out Types of Case Interviews article for more detail on these types of cases and more.

Why Do Top Consulting Firms Use Case Interview Questions?

Management consultancies are not the only types of firms that use case interview questions to evaluate candidates. 

Investment banks, consumer marketing companies, and others use the case interview structure in their interview process.

Because case interviews show how a candidate would problem solve in real time. 

Solving complex, ambiguous problems is at the heart at what consultants do every day.

This type of interview question mimics the analytic process a consultant might go through in a 3-month project, but it does it in 30 minutes, the time allowed in a typical interview. 

The interviewer can probe whether a candidate’s approach is well-structured, creative, and displays good business sense.

How Do Consulting Recruiters Evaluate Candidates?

The main thing that recruiters are looking for in case study interviews is whether or not they’d feel comfortable putting a candidate in front of a client. To assess that, they ask themselves these questions:

• Is this person able to do the job? Do they have the analytic skills to solve tough business problems?
• Is this person client-ready? Are they knowledgeable, professional, and confident enough to work effectively with client staff and leaders?
• Is this someone I’d want to work with? This interview question is sometimes referred to as the airport test. It comes down to, “Would I want to be stuck in an airport with this person if the weather was bad and our flight was delayed?” It assesses whether an individual is smart, fun and passionate about the projects they take on.
• Is this person coachable? No one expects a recruit to know the answer to every thorny business issue right out of undergrad, or even right out of business school, but they do want someone who is willing and able to take suggestions and improve their analysis. Show you are coachable by listening for feedback as you answer a case study interview question and using suggestions to steer you toward the right solution.

Nail the case & fit interview with strategies from former MBB Interviewers that have helped 89.6% of our clients pass the case interview.

Consulting Case Prep Takes Time – So Start Early

If you walk into your first consulting interview without having practiced case study interviews beforehand, you’re in for a painful experience. Case questions can cover any industry and multiple different types of business problems, so you’re unlikely to get lucky and know the answer.

We suggest your start your consulting case prep a few weeks before your interview. Starting with more lead time is even better. This will allow you to watch/read through a few consulting cases to get a sense for what to expect (continue to our case videos below for one example!) It will also give you time to find a couple friends or classmates who are also applying to consulting firms. You can give each other mock case interviews and be even more prepared.

Learn How to Case Quickly by Mastering Each of the 4 Parts of the Case

When you’re starting your consulting interview prep, it’s important to remember that the “right answer” is not simply a conclusion, but the methodical, the well-structured process used to reach the conclusion. 

To answer a case question correctly, you must:

Step 1: Understand the question you are being asked.

After your interviewer describes the client this case interview will involve and the problem they face, you should repeat this information back to them in your own words. 

This can feel awkward when you practice your first case, but it will help you in the long run.

If you don’t have the client and their problem straight, you could spend a lot of time answering the wrong question. If that happens you will not be moving forward to second round interviews no matter how elegant your analysis is.

Example: Our client is a fast-food retailer that has seen decreasing sales revenue over the past couple of years. They want your help in understanding what they can do to improve sales.

Step 2: Take time to think through all the key aspects of the problem.

Ask for a moment to consider your approach to solving the client’s problem. During this time, write down what you want to learn about the client’s situation before you answer the interview question.

Your approach can lean on business frameworks you’re familiar with during your case interview preparation. 

For instance, in the example of a fast-food chain with declining sales, you should break sales down into price and unit volume to understand whether the client is not selling enough units of their products or whether prices have fallen (or both!)

But you don’t need to use familiar frameworks. In fact, it’s best to develop your own structure for breaking down the problem as it shows you can solve a case without forcing a standard framework on the problem.

For more information on business frameworks, you might want to become familiar with during your case study preparation, see  Case Interview Frameworks .

Step 3: Ask pertinent questions and use information from the interviewer to form hypotheses about the problem and explore potential options.

After you brainstorm key aspects of the case problem and structure your approach to solving it, share your approach with your interviewer.

If the interviewer suggests a place to start your analysis, follow their lead.

Otherwise, suggest the best place to start digging into the case.

Make sure the questions you ask the interviewer touch on all the key aspects of the problem you identified including the client’s internal organization, the market for their product, and their competition.

Step 4: Summarize your case interview conclusion in a persuasive manner. 

Once you’re confident you have enough information to understand the case and what needs to be done to solve the client’s business problem, you’ll conclude the interview with a logical summary outlining the problem, key conclusions you’ve reached, and providing a persuasive recommendation on how you’d help the client resolve it.

Below, we’ll go into more depth on how to address each of these 4 points in a case.

Questions You Should Ask Yourself Before Diving Deeper into Case Interview Preparation

Right now, you may be thinking to yourself that consulting interviews sound impossibly difficult. Or you may think that they sound like interesting business problems that you’d enjoy solving. 

Perhaps you’re not sure.

If you think that answering case interviews is not something that would come naturally to you, don’t worry, you’re not alone! 

Getting good at consulting interviews requires a lot of preparation.

Before you commit to putting in the time required to prepare for the management consulting interview process, you should ask yourself if a career in management consulting is right for you.

Key Questions to Ask Yourself Before Pursuing a Career in Consulting

• Do you enjoy solving the types of business problems asked in case interviews?
• Do you have a background in business principles or are you willing to invest the time it will take to develop one?
• Are you passionate about pursuing consulting as a career?

Management consulting jobs might pay well and provide the opportunity to pursue attractive careers, but if you don’t like solving business problems, you probably won’t like the work you’ll do as a consultant. If you don’t enjoy analyzing business cases, save yourself a lot of preparation time and frustration. 

Focus on career options that better meet your interests.

Or, perhaps solving business problems with smart, driven professionals sounds like it’s your dream job. 

If so, move onto the deeper dive into case interview prep below! 

Case Interview Prep – Diving Deeper

If you’re here, we’re assuming you’re serious about investing time in preparing for a career in management consulting. 

The best way to get smarter about  answering case interview questions is to master this four-part approach.

How to Answer a Consulting Case Interview –  a 4 Part Approach to Practice During Interview Prep

The 4 parts to answering a consulting case interview are:

• Opening  – This is where you make sure you understand the client’s problem.
• Structure  – This is where you brainstorm all factors relevant to the problem and organize them to ensure you address them in a complete and logical manner.
• Analysis  – This is where you gather data to identify which of the factors related to the business case are the most important. You’ll use this data to create a recommendation for your client.
• Conclusion  – Here, you present your recommendation to “the client” (your interviewer), in a well-structured and persuasive manner.

Case Interview Prep Part 1: The Opening

As we saw in the video above, the opening of a case question is a description of a client and the problem they’re facing. Davis repeated back to the interviewer the type of business the client was in and and their business problem.

Remember, this clarification is an important step in the process.

If you did not remember that the client was a top-three beverage producer and answered the question as if the client was a start-up, your answer would ignore the manufacturing and distribution infrastructure the company already had in place to launch its new product.

That would make your answer completely wrong.

During this portion of the interview, you can ask any clarifying questions you need to. If something is not clear—the client’s product or industry, or the problem they want to solve —ask !

Nailing the opening is probably the easiest part of case interview preparation. Get this right, and you’ll start each case off strong.

Case Interview Prep Part 2: Structure

Once Davis clarified the problem, he asked for a moment to prepare her response. In the structure phase of the case interview, there’s silence for several moments.

As with clarifying the question, this can feel awkward.

But asking for this time will show the interviewer that you’re carefully structuring your problem-solving approach.

It will also ensure that you are not quickly addressing a couple of aspects of the business problem but ignoring others, potentially ones that are critical to solving the client’s problem.

Some quick brainstorming is useful here, but also take a step back to maker sure you consider all aspects of the client’s business, its customer demand, and the competition. 

Organize your questions into a comprehensive approach to address all key aspects of the problem.

Mastering the structure phase of the interview is not as easy as the opening, but it’s critical to ensure you have the structured problem-solving approach that will lead you to the right answer to the case.

Focus on this aspect of case interview preparation until you can structure almost every case right.

Case Interview Prep Part 3: Analysis

In the third part of the case study interview, you’ll dig in and analyze the problem.

After Davis outlined his problem-solving approach, the interviewer told him that the client wanted to understand the beverage market and customer preferences to assess the potential success of the product launch.

The interviewer then provided a chart with helpful data.

This part of the interview is important because gives you the data that will help you close down aspects of the case that aren’t at the heart of the problem you need to solve and to better understand key drivers that will point to the solution.

But you’ll also need to do some consulting math .

You should also refer back to the problem-solving structure you laid-out earlier in the interview to make sure your analysis is comprehensive. You don’t want to get lost down one rabbit hole and ignore other important aspects of the problem.

During this portion of the interview, you’ll be assessed on whether you asked relevant questions, have well-reasoned insights into the client problem, and whether you could lead a case like this if you were hired by the firm.

Many consulting candidates find that the analysis phase of the interview is the toughest of the 4 parts.

You need to balance doing consulting math calculations with interpreting data and make sure you cover all aspects of the problem you identified in the structure phase of the case. 

Stick with this aspect of case interview preparation until you’re an expert at it–it will pay off in your interviews. 

Case Interview Prep Part 4: Conclusion

Davis concluded the case with a direct answer to the case study interview question as it was initially asked.

This answer should be both persuasive and logical based on all the information gathered over the course of the interview. Your answer should also include the next steps your client should undertake.

During the conclusion, you’ll be assessed on whether you present a well thought-out solution based on the relevant facts of the case.

Like the opening, mastering the conclusion is not difficult. Take you time to nail this aspect of case interview preparation anyway as leaving your interviewer with a strong impression of your casing capabilities is important.

The Bottom Line for Effective Case Interview Prep

The case study interview is not as complex as it seems if you break it into 4 parts.

Practicing each part of the case on its own will make your consulting interview preparation both more efficient and more effective.

Now that you’re familiar with the 4-part approach to a case interview, the next thing to learn is the 4 different formats case interviews can take.

4 Formats for Case Interviews

There are four formats a consulting case interview can take:

• Candidate-led – This is the most typical case study interview format. A candidate is given an open-ended business problem to solve by an interviewer. The candidate will break down the question into key parts and decide which part to probe first. The interviewer is looking to see that you know how to drive the analysis of a problem. This case format is typically used at firms like Bain, BCG and Oliver Wyman.
• Interviewer-led – In this case interview format, a candidate will still be expected to identify and structure the key elements of  a thorny business issue, and then present them to the interviewer. But after they do, the interviewer will direct them to first address a particular aspect of the case. This interview format is typically used in McKinsey cases.
• Written interview – This is not a common interview format but can be common for particular companies and offices. You will be given a packet of PowerPoint slides and time to review them. During this time, you’ll prepare a presentation using the slides you choose from the ones provided as well as others you create, and you’ll then present it to a panel of interviewers. Written interviews are frequently used by boutique consulting firms and regional offices of larger firms such as Bain’s China offices. For more information, see this article on written case interview.
• Group interview – Multiple candidates are brought in to discuss a case together and then present their solution to an interviewer. The group case is also not a frequently used interview format. For more information, see this article on group case interview.

While the candidate-led consulting interview is the most frequently used format, you’ll probably see more of the interview-led interview format in McKinsey interviews.

You should also be aware of the written and group interview formats so that if you get one during the interview process, you’re not caught by surprise. But don’t spend a lot of time on preparation for that type of interview unless you’re informed you’ll have one.

Congratulations! 

You’ve made it to the end of our crash course on case interview prep. By reading this article, you now have a strong understanding of:

• What a consulting case interview is,
• How to answer case studies using the 4-part approach, and
• What the 4 different formats for case interviews are.

You are well on your way toward preparing for your first case interview and entering the exciting field of management consulting. 

Still have questions?

If you still have questions on case interview prep, leave them in the comments below. We’ll ask our My Consulting Offer coaches and get back to you with answers.

Also, we have tons of other resources to ensure you get an offer from a top management consulting firm. Check out these topics:

• Case Interview Workshop Video,
• Case Interview Examples , and
• Case Interview Practice .

Help with Case Prep

Thanks for turning to My Consulting Offer for advice on case interview prep. My Consulting Offer has helped almost 89.6% of the people we’ve worked with get a job in management consulting. For example, here is how Brenda was able to get a BCG offer when she only had 1 week to prepare…

8 thoughts on “A Comprehensive Guide to Case Interview Prep [updated 2024]”

In the math calculations of the analysis portion, why was it that there were 8 cans per gallon? Where did that number come from?

Hey, Tonia! Thanks for your question.

In the case, we’re given that the size of the market for US sports drinks is 8 billion gallons. Electrolyte drinks are 5% of this total or .4 billion gallons which equals 400 million gallons.

We’re also given that the product size for drinks in this market are 16 ounces. And in our breakeven analysis, we find out we need to sell 400 million bottles (or cans) to break even. We need to do a conversion to compare our breakeven point of 400 million bottles to the 400 million gallon market size to see what market share we would have to achieve to break even.

Conversion: 1 US gallon = 128 ounces. 128 ounces/ gallon divided by 16 ounces/ bottle = 8. We can fill 8 bottles for each gallon of electrolyte drink we produce. So 1 gallon is 8 bottles (or cans) manufactured by our client.

We divide the 400 million bottle (or can) breakeven point by 8 to get to 50 million gallons. We compare the 50 million gallon breakeven point to the 400 million gallon market size to see that we need to capture 12.5% market share.

Note: In answering this question, I noticed that a UK gallon = 160 ounces, so if you are using UK gallons you will get a different answer!

I hope that helps! Sorry about the confusion between US ounces/gallon and UK ounces/gallon!

Hi, what resources are you typically allowed to use during (virtual) case interviews? Such as a pen, paper, calculator etc.

You’re typically allowed a pen and paper in a virtual case interview but NOT a calculator. Part of what your interviewer is testing for is your quantitative skills, so they want to see that you can do calculations in your head or on paper. See our article on virtual case interviews , for more info. Also, we have an article on practicing your case interview math .

Best of luck!

Can you please explain the ROI formula? I do not understand why (2m-8m)/8m = 25%. That calculation gets a result of -75%

Shouldn’t the formula just be (net profit)/(cost of investment)?

George, thanks for pointing this out! The formula was incorrect, and should be Profit/cost of investment. The correct answer is 25%.

All the best, MCO

thanks for information

great information

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How to Handle a Difficult Interviewee (With Scripts!)

Without a good interview, your case study will suffer.

You can probably still write it. But it won’t have the coherent story and sparkling details that make good case studies so irresistible.

So how do you run a great case study interview with a difficult interviewee?

“Difficult” not because they’re a bad person or purposefully uncommunicative. (Although this CAN happen. Some interviewees are combative and gruff, and you need a thick skin.)

But sometimes, difficult interviewees are simply people who feel shy, go off course easily or just don’t offer up the information you need.

Thankfully, the interviewers here at Case Study Buddy have lots of experience with difficult interviewees.

We touched base with some of them recently to learn their strategies for navigating some of the most difficult—and most common—interviewee types.

Not only did they share their best tips, but they also gave us some example scripts that you can put to work the next time you feel stuck on a call.

1.   The tight-lipped interviewee

Sometimes it’s a struggle to get information out of your interviewee.

For whatever reason, they keep their answers brief—and you struggle to pull even basic details from them—nevermind juicy quotes and a compelling storyline.

What should you do when your interviewee isn’t sharing much information? Our case study interviewers recommend the following:

Help them feel comfortable

Some tight-lipped interviewees just need time to get comfortable, so do what you can to help them settle in.

Remember: as nervous as you might be running the case study interview, your subject is ALSO nervous about saying the right thing, the right way.

Get the ball rolling and take the pressure off by introducing yourself, recapping the purpose of the interview and previewing how long it will take. Talking about expectations for the call helps everyone feel at ease.

Then, lead with a couple of softball questions to give the interviewee time to warm up.

“I would love to set the scene. Could you share who your customer is and who it is that you serve?”  

“Could you start by telling me more about Customer X and the role that you play?”

Avoid jumping into sensitive questions or topics too quickly. Topics about their pain points or challenges might feel imposing to open up about too early in a call. Similarly, questions about results and ROI can feel downright invasive if you haven’t built up rapport yet.

Take it slow and ease in!

Keep your questions broad and open ended

Some interviewees need a bit of space to think and formulate their responses.

If you spray them with too many questions too quickly, they struggle to expand on their answers—so ask questions that are broad and open ended .

“How has the new ecommerce experience impacted your offline channels?”

“Can you walk me through what was happening in your company when you guys decided to make the switch?”

There’s a time to get specific and really dig into a concept or idea—but it’s better to go for the more granular responses and ideas once they’ve already given you their broader perspective.

Ask the same question a few different ways

Sometimes, people need a mulligan—especially when they’re just getting warmed up.

Don’t feel bad about asking what’s essentially the same question through a slightly different lense or angle.

Ask follow up questions

Even when you keep your questions broad, you may still elicit only short responses.

In that case, use follow up questions to pull out the rest of the story.

“You mentioned that you were spending hours on support issues when onboarding. What was going on?”

“Can you tell me more about the impact of that data breach?”

Reassure them that their responses are helpful

Sometimes case study interviewees worry that they’re not giving you the information you need, so they hesitate to expand on their answers.

Providing reassurance throughout the interview that you find their responses helpful can alleviate that concern and encourage them to go further in their descriptions.

“I love how you put that….”

“That’s a great qualitative description….”

You can combine these reassurances with follow-up questions when you need a little bit more info. This is a subtle way of making your subject feel great about what they’ve already shared, and showing them you’re interested in learning even more.

Express genuine interest

It can also help to express genuine interest in the project or details your subject is sharing with you.

This isn’t something you should need to manufacture. After all, the project wouldn’t be the subject of a case study if something impressive hadn’t happened!

Communicate to the interviewee that the steps they took, and results they achieved, are worthy of exploring and sharing .

“You rolled out the application in just three months? Wow!”

“I’m amazed at how quickly you guys were able to turn that around.”

“So you didn’t get any negative feedback from the team? That must have been a huge win.”

Interest can also take the form of a follow up question. When your questions sound like they come from a place of genuinely wanting to know more of the story (instead of ruthlessly barraging someone with a set of predefined questions), it makes the conversation much more natural and easier to contribute to.

Don’t rush to fill the silence

In your excitement to get to the heart of the story (or nervousness at the level of information you’re getting back early on), it’s tempting to plow through every awkward silence.

But sometimes, interviewees use that silence to organize their thoughts. If you rush to fill the void, you may stomp on what they were about to say and lose something valuable.

A momentary awkwardness might prompt an interviewee to reveal a hidden narrative nugget.

As a practice, try committing to silence: after asking your question, refuse to allow yourself to interject until the client has had time to speak. If you need to, count to 10 during silent pauses—you might be surprised to find that gaps that felt like ages are really only a few seconds long! (Just make sure you listen in carefully when the subject starts sharing again!)

Give them one last opportunity to share

Before concluding the interview, give tight-lipped interviewees one last opportunity to expand on their answers or introduce something new.

“Before we finish up, is there anything else about this project that we haven’t talked about?”

“Is there anything you think would be useful or helpful to others making a decision like yours that we haven’t covered yet?”

“Thanks for putting up with all my questions. Is there anything else I haven’t asked you about that you think would be important for me to know about your experience?”

Sometimes, they’ve been waiting patiently to get to the aspect of the project they REALLY want to discuss.

2.   The “dry” interviewee

While some interviewees are forthcoming, they may stick to “just the facts” of a story with no extra details or anecdotes to add flavour and spice.

Fortunately, our professional case study interviewers have some tips here as well.

Ask for specific examples and stories

This may seem self-evident, but it’s easy to forget that you can ask for anecdotes directly.

Other times, asking a story-based question can get things ‘unstuck.’

“Within the scope of this project, are there any anecdotes that we can highlight?”

“Can you tell me about a time when….”

“Is there a specific example you can think of when things went awry when you didn’t have control of your data?”

Follow the emotion

A good way to get dry interviewees to share stories is to tap into their emotions.

If an interviewee experiences excitement, for example, that’s a good place to dig for more information—and it’s often a gateway to an interesting anecdote .

“What did that mean for you?”

“It sounds like that was important. Can you tell me a little more about…”

“Why did reducing that risk matter to you?”

Circle back to previous answers

When you’re finding that your interview is lacking colourful detail, it’s completely acceptable to circle back to previous answers , even if it’s much later in the interview.

“There’s a lot to unpack in what you told me at the start, so let me ask….”

“Something you said a minute ago has come back to me….”

3.   The off-topic interviewee

Sometimes interviewees are uninterested in discussing the topics you need to hit on for your case study. They go off course in directions that may be interesting… but aren’t particularly relevant to the story.

In these cases, give these interview tactics a try:

Keep gently pulling them back

Interrupting a one-way conversation without sounding rude is tricky. But generally, you need to wait for a short break in the conversation and then interject.

Before you pose your next question, emphasize that you’re determined to respect the time they’ve allotted you.

“I wish we could explore that more, but I still have a few more questions…”

“I know you have a hard stop at 11:00, so let me just ask….”

Ask for more time

You can also ask the interviewee for more time if you can see you’re going to run short.

They may or may not give it to you, but regardless it will often help to get them back on track and keep them there.

If an interviewee doesn’t have more time that day, ask if you can follow up via email to get responses to a few specific questions. Sometimes, people who ramble verbally do better with specific, written questions.

Take control of the interview from the start

Often, having an interviewee go way off topic can be avoided by taking control of the interview from the very start .

You need to set the agenda:

• Let the interviewee know what you’ll be covering during the interview and how much time you have to do it.
• Communicate which insights and aspects of the story you’re MOST hoping to cover during your limited time together, and why those are so important.

This will set expectations and help keep everyone on track.

Taking control of the interview at the outset can also help put nervous interviewees at ease. They relax knowing that you’re steering the ship, not them.

4.   The contrarian interviewee

In some cases, the interviewee’s perspective on a project may differ from what you expect.

You’ve been given a brief about the project, but the interviewee contradicts what you’ve been told.

It’s important to recognize that this is less of a “difficult” interviewee problem and more of a “client and customer aren’t on the same page” problem. Don’t beat yourself up if the interviewee contradicts or doesn’t give you the information you need.

Instead, recognize that there’s a disconnect between the two parties, and use the interview to get the interviewee’s version of the project. Continue to get the interviewee to confirm, clarify or contradict the information you have in the brief.

“I have in my notes that your team transitioned over to the new system seamlessly in just six weeks … does that sound correct?

“How would you quantify the results you achieved because of this implementation?”

Hopefully, you’re recording the interview so you can later check back with the person who briefed you—and hopefully get everyone back on the same page.

Similarly, don’t force a story that simply isn’t there.

If the subject is telling you that what you expected simply did not occur, or is not the right angle, trying to force the issue will only frustrate the both of you (and result in a shallow story that’s likely to get rejected during the revisions phase.)

Instead, ask polite, probing questions about the new storyline that’s unfolding. Part of being a great interviewer is knowing when to go off-script.

Tough Interviewees Can Make for Great Case Studies

Just because an interviewee is “difficult” doesn’t mean you won’t get an excellent case study out of the interview.

Often, you just have to make them feel comfortable, ask the right questions and follow their emotions.

When you do, you’ll uncover important details, colourful quotes and compelling anecdotes that will make your case study a page turner.

Want us to handle those tough interviews for you?

Contact us to start the conversation.

Head of Writing and Interviewing

Based in Vancouver, Canada, Holly is pumped to tell stories of companies succeeding and doing good in the world.

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Hacking the Case Interview

The best way to practice case interviews is to practice with a case partner. This is the best way to simulate a real case interview. However, this is not always possible. You may not always be able to find a great partner that you share a compatible schedule with.

In these situations, you have no other choice but to practice without a partner. Practicing case interviews by yourself can still be helpful if you practice the right way.

In this article, we’ll go through the exact steps you should take to maximize your practice and learning when practicing case interviews alone.

If you’re looking for a step-by-step shortcut to learn case interviews quickly, enroll in our case interview course . These insider strategies from a former Bain interviewer helped 30,000+ land consulting offers while saving hundreds of hours of prep time.

The Eight Steps to Practice Case Interviews by Yourself

There are 8 steps to practice case interviews by yourself. The goal of these steps is to simulate a real case interview as closely as you can so that you practice the same skills and techniques that you are going to use in a real case interview.

• Find cases that are suitable for practicing alone
• Synthesize the case background information out loud
• Ask clarifying questions out loud
• Structure a framework and present it out loud
• Propose an area to start the case
• Answer each case question out loud
• Deliver a recommendation out loud
• Review your answers and identify improvement areas

1. Find Cases That Are Suitable for Practicing Alone

Not all cases are suitable for practicing by yourself. Case interviews can be written in a number of different formats, but there are two formats you should use to practice case interviews without a partner.

The first format is the question and answer format. Many cases are written as a series of sequential questions and answers. This format is easy to practice alone because you can read the question, develop an answer, and then compare your answer to the model answer. This case format emulates an interviewer-led case .

The McKinsey case library has four cases written in this format. When you are finished with those, the Hacking the Case Interview course has twenty additional cases in this format. You can try the first three completely free.

The second format is the interactive online case format. In this format, you can submit your answers and the case will give you information based on the answers that you give. This case format emulates a candidate-led case interview.

BCG used to have an Interactive Case Library to practice case interviews by yourself. Unfortunately, they have since removed the two cases they had listed. The good news is that we recorded two videos going through these interactive cases.

You can follow along with BCG interactive case #1 and BCG interactive case #2 .

A case format you should not use is one that lays out all of the case information in an unstructured way . This format is more suited for practicing with a case partner. Your case partner reads all of the information so that they can run the mock case interview smoothly.

If you use these types of cases, you’ll likely read the answers to the case questions as you read the case background information. This makes practicing the case on your own ineffective. Therefore, only use the question and answer format and interactive online case format when practicing on your own.

For more practice, check out our article on 23 MBA consulting casebooks with 700+ free practice cases .

2. Synthesize the Case Background Information

Start the practice case interview by reading the case background information. Then, just as you would do in a live case interview, summarize the case background information out loud.

Even though you will not have a partner to confirm your understanding of the case, it is important to practice synthesizing the case out loud. This will help you improve your communication skills so that you can summarize information clearly and concisely.

3. Ask Clarifying Questions

Next, just as you would do in a live case interview, ask clarifying questions out loud. Although you do not have a case partner that can answer your questions, it is important to practice identifying the critical questions that need to be asked to fully understand the case.

Focus on asking questions that strengthen your understanding of the company, the business problem, or the objective. You’ll have an easier time solving the case if you ask the right clarifying questions.

4. Structure a Framework and Present it Out Loud

Afterwards, take a few minutes to gather your thoughts to structure a framework. Remember that you want to simulate exactly what you would say and do in a real live interview. So, talk to yourself out loud and ask for permission to have a few minutes of silence.

When you are creating a framework, it may be tempting to give yourself unlimited time since you are working through the case alone. Don’t do this.

Instead, pretend that you are in an actual interview in which you’ll only have a few minutes to put together a comprehensive and coherent framework. Replicate the stress that you will feel in an interview when you are practicing case interviews on your own by giving yourself time pressure.

When you have finished creating your framework, turn your paper around to face an imaginary interviewer and walk through the framework out loud. You will need to get good at presenting your framework concisely and in an easy to understand way.

For a complete guide on how to create tailored and unique frameworks for each case, check out our article on case interview frameworks .

5. Propose an Area to Start the Case

Next, propose an area of your framework to start the case. Make sure to say out loud the reasons why you want to start with that particular area. This is a great way to practice kicking off a case interview in candidate-led cases.

6. Answer Each Case Question Out Loud

Now that the case has started, start by reading the first question. After reading the question, don’t work on answering that question in silence. During a real interview, you’ll never work in silence. Instead, pretend that you are in a live interview and walk the interviewer through your thinking.

If the question is a quantitative problem, create a structure and walk the interviewer through how you would solve the problem. When doing math, do your calculations out loud and explain the steps that you are taking.

If the question is qualitative, structure your thinking and then brainstorm your ideas out loud. Walk the interviewer through your ideas and opinions.

For both quantitative and qualitative questions, try to anticipate objections the interviewer may raise or follow-up questions they may ask. You’ll have to make these questions up yourself since you are not practicing cases with a partner. Address these objections and answer these questions out loud.

Finally, take the time to connect your answer to the overall case objective. Synthesize the implications of your answer and how that shapes your hypothesis or working recommendation. You can also propose the next area of the case that you would like to explore or the next question you would like to answer.

Afterwards, move onto the next question and repeat this same process.

7. Deliver a Recommendation Out Loud

Once you have finished answering all of the case questions, it is time to deliver your recommendation. Just as you would do in a real case interview, ask for a brief moment to collect your thoughts and review your notes.

Once you have decided on a recommendation, present your recommendation to the interviewer. Again, it is important to do this out loud so that you can practice delivering your recommendation clearly and concisely.

8. Review Your Answers and Identify Improvement Areas

When the case is completed, review your framework and answers and compare them to the model answers that the case provides. Reflect on how you could have made your framework or answers stronger.

Also, take the time to reflect on what parts of the case you could have done better. Could your case synthesis be more concise? Was your framework mutually exclusive and collectively exhaustive ? Could your math calculations be done more smoothly? Was your recommendation structured enough?

This is the most important part of practicing case interviews by yourself. Since you have no partner to provide you feedback, you will need to be introspective and identify your own improvement areas.

At the end of each practice case interview, you should have a list of new things that you have learned and a list of improvement areas to work on in future practice cases. You’ll continue to work on your improvement areas in future practice cases either by yourself or with a partner.

Other Tips For Practicing Case Interviews By Yourself

The most important thing to remember when practicing case interviews by yourself is that you want to emulate a live case interview as closely as possible. Therefore, follow these tips to make the most of your case practice:

• Don’t have notes or a calculator out when you are practicing since you won’t have these in your actual interview
• Don’t take breaks in the middle of a mock case interview
• Don’t read the case answer until you completely finish answering each question
• Talk through everything out loud as if there were an interviewer in the room
• Occasionally record yourself to understand what you look like and sound like when you speak
• Make sure to give yourself enough time to review the model answers and identify areas where you can improve
• Focus on improving one thing at a time in each practice case interview

The Best Ways to Practice Specific Parts of a Case Interview by Yourself

Besides practicing full-length case interviews, you can also practice particular parts of the case interview. In addition to 15 full-length practice cases that you can do by yourself,  The Ultimate Case Interview Workbook has over 65 practice problems covering all of the different parts of a case interview:  

• Market sizing
• Charts and graphs
• Brainstorming
• Business judgement

We recommend using this book to get high-quality case interview practice with step-by-step explanations. If you prefer to use other resources, we’ve also listed alternative methods to practice these types of questions below:

Practicing Frameworks by Yourself

• For the practice cases you are using, read only the case background information and create a framework
• Read about business problems that real companies face in the news (e.g., Wall Street Journal, The Economist, New York Times) and create a framework for them
• Read business school case studies and create a framework to solve them

Practicing Market Sizing by Yourself

• Practice with this list of market sizing and estimation questions
• Pick a particular market and estimate the market size
• Pick a particular metric and try to estimate it

Practicing Reading Graphs by Yourself

• For the practice cases you are using, go straight to the exhibits and practice reading and understanding them
• Find graphs and charts in the news to practice reading them and identifying the most important takeaways
• Practice interpreting graphs and charts found in standardized exams such as the SAT, GMAT, or GRE

Practicing Brainstorming by Yourself

• Pick a company and brainstorm ways they could increase revenues
• Pick a company and brainstorm ways they could decrease costs
• Read about business problems that real companies face in the news and brainstorm different ways to solve them

Practicing Business Judgment by Yourself

• Read about strategic decisions real companies have made in the news
• Read business school case studies
• Read through the practice cases in MBA casebooks
• Watch videos of people solving case interviews

All of these activities will help you to improve and refine your case interview skills. The most important thing is that you identify your case interview weaknesses and have consistent practice to meticulously and systematically improve.

Learn Case Interviews 10X Faster

Here are the resources we recommend to learn the most robust, effective case interview strategies in the least time-consuming way:

• Comprehensive Case Interview Course (our #1 recommendation): The only resource you need. Whether you have no business background, rusty math skills, or are short on time, this step-by-step course will transform you into a top 1% caser that lands multiple consulting offers.
• Hacking the Case Interview Book   (available on Amazon): Perfect for beginners that are short on time. Transform yourself from a stressed-out case interview newbie to a confident intermediate in under a week. Some readers finish this book in a day and can already tackle tough cases.
• The Ultimate Case Interview Workbook (available on Amazon): Perfect for intermediates struggling with frameworks, case math, or generating business insights. No need to find a case partner – these drills, practice problems, and full-length cases can all be done by yourself.
• Case Interview Coaching : Personalized, one-on-one coaching with former consulting interviewers
• Behavioral & Fit Interview Course : Be prepared for 98% of behavioral and fit questions in just a few hours. We'll teach you exactly how to draft answers that will impress your interviewer
• Resume Review & Editing : Transform your resume into one that will get you multiple interviews

Land Multiple Consulting Offers

Complete, step-by-step case interview course. 30,000+ happy customers.

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Case Interview: Complete Prep Guide

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Welcome to our preparation tips for case interviews!  Whether you are just curious about case interviews or are planning to apply for consulting internships or full-time jobs, these tips and resources will help you feel more prepared and confident.

A case interview is a role playing exercise in which an employer assesses how logically and persuasively you can present a case. Rather than seeing if you get the “correct” answer, the objective is to evaluate your thought process. ( Adapted with permission from Case In Point: Complete Case Interview Preparation by Marc Cosentino). 

Case interviews are very commonly used in the interview process for consulting firms and companies in similar industries. In the case interview, you will typically be given a business problem and then asked to solve it in a structured way. Learning this structure takes preparation and practice. You can learn more and practice using the resources listed below.  

Why are Case Interviews Used?

Case interviews allow employers to test and evaluate the following skills:

• Analytical skills and logical ability to solve problems
• Structure and thought process
• Ability to ask for relevant data/information
• Tolerance for ambiguity and data overload
• Poise and communication skills under pressure and in front of a client

How can I prepare for Case Interviews?

1.) Read Management Consulted’s “Case Interview: Complete Prep Guide (2024)”

Management Consulted is a FREE resource for Tufts students : case and consulting resources such as 500 sample cases, Case Interview Bootcamp,  Market Sizing Drills, Math Drills, case videos, consulting firm directory, and more

2.) Review additional resources:

• Case in Point – This book, by Marc Cosentino, is a comprehensive guide that walks you through the case interview process from beginning to end. This guide has helped many students over the years and can serve as an excellent foundation for how to approach business problems
• Casequestions.com – The companion website to Marc Cosentino’s book listed above offers preparation for case interviews, along with links to top 50 consulting firms
• Management Consulting Case Interviews: Cracking The Case – tips for case interviews from the other side of the table, from Argopoint, a Boston management consulting firm specializing in legal department consulting for Fortune 500 companies
• Preplounge.com – Free case preparation access for to up to 6 practice interviews with peers, selected cases, and video case solutions
• RocketBlocks – Features consulting preparation such as drills and coaching
• Practice sample online cases on consulting firm websites such as McKinsey , BCG , Bain , Deloitte and more!  

3.) Schedule a mock case interview appointment with  Karen Dankers or Kathy Spillane , our advisors for the Finance, Consulting, Entrepreneurship, and Business Career Community.

4.) PRACTICE PRACTICE PRACTICE cases out loud on your own (yes, that can feel odd) or preferably, with another person. See #2 and #3 above for resources and ideas to find partners to practice live cases

5.) Enjoy and have fun solving business problems!

• Find a company

Case studies during job interviews: how to protect your work

Jul 29, 2021

You’ve landed an interview for your dream job, but making sure you get hired is a whole other story. The recruitment process can be long and demanding with five or more steps. One of them may include asking you to do a case study interview. What are case studies exactly? How common are they? Can it be unlawful for a recruiter to ask for one? Here we look into this particular step during the hiring process and how you can protect your work.

What are case studies?

Are you new to the concept of case studies during the hiring process? The first thing to note is that a case study interview puts you in the driver’s seat. You’re given a real business problem or scenario to work through and solve. You will probably be required to do one if you’re applying for a role in management consulting, although they are also used in other industries. Most case study interviews are conducted face-to-face with a recruiter or a panel in a session that usually lasts 20 to 30 minutes.

Case study interviews are different from standard interviews, as they involve working through a business problem to reach a logical conclusion. The idea is to put you in a situation that mimics the work you will be doing and give the interviewer an insight into how you might perform on the job. The case may be given to you verbally or in writing. Then you’ll be asked to describe the assumptions, strategies, and steps you’re using to solve the case out loud or in writing within a specific period.

The type of problem will vary depending on the employer and the role. There are a few common types of cases you may be faced with: real or theoretical business scenarios; those that test your numeracy skills and ask you to estimate figures; those that expect you to interpret graphs or charts; those that test your skill at developing corporate and business strategies; those examining profitability or growth opportunities.

If the scope of the issue worries you, remember that having in-depth knowledge of the industry on which the question is based is not necessary . Nonetheless, it is useful to have an understanding of basic business principles and current affairs in the corporate sector. Doing some research on the company before the interview to find out more about its work and clients is helpful.

Working through a case study allows you to show your skills and your ability to work through a problem in real-time. The recruiter may also be assessing personal qualities such as your capacity to stay calm in a stressful situation.

Are case studies legal?

Case studies have become common in some hiring areas, but does this mean they are always entirely legal? According to Suzanne Staunton, an employment barrister and partner at JMW Solicitors LLP, asking an interviewee to do a case study is unlawful only when the company looks to flout the law. “By way of example, if the request is in some way harassing or discriminatory in nature, it will of course be unlawful,” she said. “If the case study request is not genuine and it is an attempt on the company’s behalf to get free work, then potentially it could amount to negligent or fraudulent misrepresentation.” If this happens, can the interviewee do something about it? Yes, but it can be “expensive to pursue ” and it is “ usually hard to prove,” said Staunton, adding that costs may be recoverable if the interviewee wins.

Should you be paid to do a case study?

An employee must be paid by an employer. But what happens when the person performing the work is not employed by the company? Is it legal for a recruiter to ask for a case study, which is a type of labor, without paying the interviewee? According to Staunton, as long as it remains a genuine recruitment exercise with no intention on the firm’s part to use the work, “then there is no limit to what a company could ask you to do and it is a matter for the interviewee what they will accept,” she said. In other words, as long as you agree to perform the work during a hiring process, it is legal for the recruiter not to pay you.

If you find yourself in a situation where you have done a case study but didn’t even get a response from the recruiter, you are allowed to ask the company “to irretrievably delete the case study,” said Philip Partington, an intellectual property partner at JMW Solicitors LLP. However, “taking this course of action is likely to result in the interviewee not being considered for future roles,” he added.

Your work was stolen, now what?

If you realize that the recruiter has used the work you did for the case study afterward, you may be tempted to consider taking legal action. So what are your options? Partington says the interviewee owns the copyright of the item or piece of work. Hence, “if the interviewer uses the item or piece of work, then it infringes their intellectual property rights,” he said. If the company didn’t hire you, Partington says you can bring a claim against it for that item or piece of work. But “this could be very expensive for the interviewee and may not result in much by way of damages,” he said.

Moreover, if a recruiter ends up using the work you’ve done for a case study, “it could potentially amount to theft,” said Amy Shaffron, a criminal partner at JMW Solicitors LLP. “But as it is very hard to quantify the loss, it is unlikely the Crown Prosecution Service would seek to prosecute it.”

While case studies may be demanding and may sometimes be on the verge of legality, the means you have to protect your work and your rights are limited. At the same time, you have the right to refuse if you are asked to do one although doing so may prevent you from getting the job or being considered for future roles within the company.

Photo: Welcome to the Jungle

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More inspiration: Recruiting tests

Job assessments: Knowing your limits and when to say no

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Dec 20, 2023

The problem with standardized assessments in hiring

Janice Burns, Chief People Officer at Degreed, explains the pitfalls of standardized testing and the fairest alternatives that benefit job hunters.

Jun 06, 2023

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Recruiting tests are essential in any tech hiring process. But what can you share and how can you tell if a recruiter is trying to steal private data?

Jan 04, 2023

How to Prepare for Practical Tests Set During an Interview

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Jun 20, 2019

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Money blog: Loud budgeting - the taboo-busting money hack you can do without giving up daily coffee

Created accidentally by a comedian, "loud budgeting" is breaking down the taboo of speaking about money. Read this and the rest of our Weekend Money features, and leave a comment, and we'll be back with rolling personal finance and consumer news on Monday.

Saturday 11 May 2024 20:15, UK

Weekend Money

• 'Loud budgeting': The money-saving trend that has nothing to do with giving up your daily coffee
• What is most in-demand period property?
• £12m tea advert, downsizing, £320 tasting menus and job interview mistakes: What readers have said this week
• Free childcare applications about to open for new age band
• Where has huge week for UK economy left us?

Best of the week

• How to avoid a holiday data roaming charge (while still using the internet)
• Mortgage rates up again this week - here are the best deals on the market
• My daughter discovered undeclared £600 management fee after buying her flat - can we complain?
• Best of the Money blog - an archive

Ask a question or make a comment

By Jess Sharp , Money team 

Money saving trends are constantly popping up on social media - but one in particular has been gaining huge amounts of attention.

Created accidentally by a comedian, loud budgeting is breaking down the taboo of speaking about money.

The idea is based on being firmer/more vocal about your financial boundaries in social situations and setting out what you are happy to spend your money on, instead of "Keeping up with the Joneses". 

On TikTok alone, videos published under the hashtag #loudbudgeting have garnered more than 30 million views - and that figure is continuing to climb. 

We spoke to Lukas Battle - the 26-year-old who unintentionally created the trend as part of a comedy sketch. 

Based in New York, he came up with the term in a skit about the "quiet luxury" hype, which had spread online in 2023 inspired by shows like Succession. 

The term was used for humble bragging about your wealth with expensive items that were subtle in their design - for example, Gwyneth Paltrow's  £3,900 moss green wool coat from The Row, which she wore during her ski resort trial...

"I was never a big fan of the quiet luxury trend, so I just kind of switched the words and wrote 'loud budgeting is in'. I'm tired of spending money and I don't want to pretend to be rich," Lukas said. 

"That's how it started and then the TikTok comments were just obsessed with that original idea." 

This was the first time he mentioned it...

Lukas explained that it wasn't about "being poor" but about not being afraid of sharing your financial limits and "what's profitable for you personally". 

"It's not 'skip a coffee a day and you'll become a millionaire'."

While talking money has been seen as rude or taboo, he said it's something his generation is more comfortable doing. 

"I've seen more debate around the topic and I think people are really intrigued and attracted by the idea," he said. 

"It's just focusing your spending and time on things you enjoy and cutting out the things you might feel pressured to spend your money on."  

He has incorporated loud budgeting into his own life, telling his friends "it's free to go outside" and opting for cheaper dinner alternatives.

"Having the terminology and knowing it's a trend helps people understand it and there's no awkward conversation around it," he said. 

The trend has been a big hit with so-called American "finfluencers", or "financial influencers", but people in the UK have started practising it as well. 

Mia Westrap has taken up loud budgeting by embarking on a no-buy year and sharing her finances with her 11.3k TikTok followers. 

Earning roughly £2,100 a month, she spends around £1,200 on essentials, like rent, petrol and car insurance, but limits what else she can purchase. 

Clothes, fizzy drinks, beauty treatments, makeup, dinners out and train tickets are just some things on her "red list". 

The 26-year-old PHD student first came across the idea back in 2017, but decided to take up the challenge this year after realising she was living "pay check to pay check". 

She said her "biggest fear" in the beginning was that her friends wouldn't understand what she was doing, but she found loud budgeting helped. 

"I'm still trying my best to just go along with what everyone wants to do but I just won't spend money while we do it and my friends don't mind that, we don't make a big deal out of it," she said. 

So far, she has been able to save £1,700, and she said talking openly about her money has been "really helpful". 

"There's no way I could have got this far if I wasn't baring my soul to the internet about the money I have spent. It has been a really motivating factor."

Financial expert John Webb said loud budgeting has the ability to help many "feel empowered" and create a "more realistic" relationship with money.

"This is helping to normalise having open and honest conversations about finances," the consumer affair manager at Experien said. 

"It can also reduce the anxiety some might have by keeping their financial worries to themselves." 

However, he warned it's important to be cautious and to take the reality of life into consideration. 

"It could cause troubles within friendship groups if they're not on the same page as you or have different financial goals," he said.

"This challenge isn't meant to stop you from having fun, but it is designed to help people become more conscious and intentional when it comes to money, and reduce the stigma around talking about it." 

Rightmove's keyword tool shows Victorian-era houses are the most commonly searched period properties, with people drawn to their ornate designs and features.

Georgian and Edwardian-style are second and third respectively, followed by Tudor properties. Regency ranked in fifth place.

Rightmove property expert Tim Bannister said: "Home hunters continue to be captivated by the character and charm of properties that we see in period dramas.

"Victorian homes remain particularly popular, characterised by their historic charm, solid construction, and spacious interiors. You'll often find Victorian houses in some of the most desirable locations which include convenient access to schools and transport links."

Throughout the week Money blog readers have shared their thoughts on the stories we've been covering, with the most correspondence coming in on...

• A hotly contested debate on the best brand of tea
• Downsizing homes
• The cost of Michelin-starred food

Job interview mistakes

On Wednesday we reported on a new £12m ad from PG Tips in response to it falling behind rivals such as Twinings, Yorkshire Tea and Tetley....

We had lots of comments like this...

How on earth was the PG Tips advert so expensive? I prefer Tetley tea, PG Tips is never strong enough flavour for me. Shellyleppard

The reason for the sales drop with PG Tips could be because they increased the price and reduced the quantity of bags from 240 to 180 - it's obvious. Royston

And then this question which we've tried to answer below...

Why have PG Tips changed from Pyramid shape tea bags, to a square? Sam

Last year PG Tips said it was changing to a square bag that left more room for leaves to infuse, as the bags wouldn't fold over themselves.

We reported on data showing how downsizing could save you money for retirement - more than £400,000, in some regions, by swapping four beds for two.

Some of our readers shared their experiences...

We are downsizing and moving South so it's costing us £100k extra for a smaller place, all money from retirement fund. AlanNorth

Interesting read about downsizing for retirement. We recently did this to have the means to retire early at 52. However, we bought a house in the south of France for the price of a flat in our town in West Sussex. Now living the dream! OliSarah

How much should we pay for food?

Executive chef at London's two-Michelin-starred Ikoyi, Jeremy Chan, raised eyebrows when he suggested to the Money blog that Britons don't pay enough for restaurant food.

Ikoyi, the 35th best restaurant in the world, charges £320 for its tasting menu. 

"I don't think people pay enough money for food, I think we charge too little, [but] we want to always be accessible to as many people as possible, we're always trying our best to do that," he said, in a piece about his restaurant's tie up with Uber Eats... 

We had this in... 

Are they serious? That is two weeks' worth of food shopping for me, if the rich can afford this "tasting menu" then they need to be taxed even more by the government, it's just crazy! Steve T

If the rate of pay is proportionate to the vastly overpriced costs of the double Michelin star menu, I would gladly peel quail eggs for four-hour stints over continuing to be abused as a UK supply teacher. AndrewWard

Does this two-star Michelin star chef live in the real world? Who gives a toss if he stands and peels his quails eggs for four hours, and he can get the best turbot from the fishmonger fresh on a daily basis? It doesn't justify the outrageous price he is charging for his tasting menu. Topaztraveller

Chefs do make me laugh, a steak is just a steak, they don't make the meat! They just cook it like the rest of us, but we eat out because we can't be bothered cooking! StevieGrah

Finally, many of you reacted to this feature on common mistakes in job interviews...

Those 10 biggest mistakes people make in interviews is the dumbest thing I've ever read. They expect all that and they'll be offering a £25k a year job. Why wouldn't I want to know about benefits and basic sick pay? And also a limp handshake? How's that relevant to how you work? Jre90

Others brought their own tips...

Whenever I go for an interview I stick to three points: 1. Be yourself 2. Own the interview 3. Wear the clothes that match the job you are applying Kevin James Blakey

From Sunday, eligible working parents of children from nine-months-old in England will be able to register for access to up to 15 free hours of government-funded childcare per week.

This will then be granted from September. 

Check if you're eligible  here  - or read on for our explainer on free childcare across the UK.

Three and four year olds

In England, all parents of children aged three and four in England can claim 15 hours of free childcare per week, for 1,140 hours (38 weeks) a year, at an approved provider.

This is a universal offer open to all.

It can be extended to 30 hours where both parents (or the sole parent) are in work, earn the weekly minimum equivalent of 16 hours at the national minimum or living wage, and have an income of less than £100,000 per year.

Two year olds

Previously, only parents in receipt of certain benefits were eligible for 15 hours of free childcare.

But, as of last month, this was extended to working parents.

This is not a universal offer, however.

A working parent must earn more than £8,670 but less than £100,000 per year. For couples, the rule applies to both parents.

Nine months old

In September, this same 15-hour offer will be extended to working parents of children aged from nine months. From 12 May, those whose children will be at least nine months old on 31 August can apply to received the 15 hours of care from September.

From September 2025

The final change to the childcare offer in England will be rolled out in September 2025, when eligible working parents of all children under the age of five will be able to claim 30 hours of free childcare a week.

In some areas of Wales, the Flying Start early years programme offers 12.5 hours of free childcare for 39 weeks, for eligible children aged two to three. The scheme is based on your postcode area, though it is currently being expanded.

All three and four-year-olds are entitled to free early education of 10 hours per week in approved settings during term time under the Welsh government's childcare offer.

Some children of this age are entitled to up to 30 hours per week of free early education and childcare over 48 weeks of the year. The hours can be split - but at least 10 need to be used on early education.

To qualify for this, each parent must earn less than £100,000 per year, be employed and earn at least the equivalent of working 16 hours a week at the national minimum wage, or be enrolled on an undergraduate, postgraduate or further education course that is at least 10 weeks in length.

All three and four-year-olds living in Scotland are entitled to at least 1,140 hours per year of free childcare, with no work or earnings requirements for parents. 

This is usually taken as 30 hours per week over term time (38 weeks), though each provider will have their own approach.

Some households can claim free childcare for two-year-olds. To be eligible you have to be claiming certain benefits such as Income Support, Jobseeker's Allowance or Universal Credit, or have a child that is in the care of their local council or living with you under a guardianship order or kinship care order.

Northern Ireland

There is no scheme for free childcare in Northern Ireland. Some other limited support is available.

Working parents can access support from UK-wide schemes such as tax credits, Universal Credit, childcare vouchers and tax-free childcare.

Aside from this, all parents of children aged three or four can apply for at least 12.5 hours a week of funded pre-school education during term time. But over 90% of three-year-olds have a funded pre-school place - and of course this is different to childcare.

What other help could I be eligible for?

Tax-free childcare  - Working parents in the UK can claim up to £500 every three months (up to £2,000 a year) for each of their children to help with childcare costs. 

If the child is disabled, the amount goes up to £1,000 every three months (up to £4,000 a year).

To claim the benefit, parents will need to open a tax-free childcare account online. For every 80p paid into the account, the government will top it up by 20p.

The scheme is available until the September after the child turns 11.

Universal credit  - Working families on universal credit can claim back up to 85% of their monthly childcare costs, as long as the care is paid for upfront. The most you can claim per month is £951 for one child or £1,630 for two or more children.

Tax credits -  People claiming working tax credit can get up to 70% of what they pay for childcare if their costs are no more than £175 per week for one child or £300 per work for multiple children.

Two big economic moments dominated the news agenda in Money this week - interest rates and GDP.

As expected, the Bank of England held the base rate at 5.25% on Wednesday - but a shift in language was instructive about what may happen next.

Bank governor Andrew Bailey opened the door to a summer cut to 5%, telling reporters that an easing of rates at the next Monetary Policy Committee meeting on 20 June was neither ruled out nor a fait accompli.

More surprisingly, he suggested that rate cuts, when they start, could go deeper "than currently priced into market rates".

He refused to be drawn on what that path might look like - but markets had thought rates could bottom out at 4.5% or 4.75% this year, and potentially 3.5% or 4% next.

"To make sure that inflation stays around the 2% target - that inflation will neither be too high nor too low - it's likely that we will need to cut Bank rate over the coming quarters and make monetary policy somewhat less restrictive over the forecast period," Mr Bailey said.

You can read economics editor Ed Conway's analysis of the Bank's decision here ...

On Friday we discovered the UK is no longer in recession.

Gross domestic product (GDP) grew by 0.6% between January and March, the Office for National Statistics said.

This followed two consecutive quarters of the economy shrinking.

The data was more positive than anticipated.

"Britain is not just out of recession," wrote Conway. "It is out of recession with a bang."

The UK has seen its fastest growth since the tailend of the pandemic - and Conway picked out three other reasons for optimism.

1/ An economic growth rate of 0.6% is near enough to what economists used to call "trend growth". It's the kind of number that signifies the economy growing at more or less "normal" rates.

2/ 0.6% means the UK is, alongside Canada, the fastest-growing economy in the G7 (we've yet to hear from Japan, but economists expect its economy to contract in the first quarter).

3/ Third, it's not just gross domestic product that's up. So too is gross domestic product per head - the number you get when you divide our national income by every person in the country. After seven years without any growth, GDP per head rose by 0.4% in the first quarter.

GDP per head is a more accurate yardstick for the "feelgood factor", said Conway - perhaps meaning people will finally start to feel better off.

For more on where Friday's figures leaves us, listen to an Ian King Business Podcast special...

The Money blog is your place for consumer news, economic analysis and everything you need to know about the cost of living - bookmark news.sky.com/money .

It runs with live updates every weekday - while on Saturdays we scale back and offer you a selection of weekend reads.

Check them out this morning and we'll be back on Monday with rolling news and features.

The Money team is Emily Mee, Bhvishya Patel, Jess Sharp, Katie Williams, Brad Young and Ollie Cooper, with sub-editing by Isobel Souster. The blog is edited by Jimmy Rice.

If you've missed any of the features we've been running in Money this year, or want to check back on something you've previously seen in the blog, this archive of our most popular articles may help...

Loaves of bread have been recalled from shelves in Japan after they were found to contain the remains of a rat.

Production of the bread in Tokyo has been halted after parts of a "small animal" were found by at least two people.

Pasco Shikishima Corp, which produces the bread, said 104,000 packages have been recalled as it apologised and promised compensation.

A company representative told Sky News's US partner network, NBC News, that a "small black rat" was found in the bread. No customers were reported to have fallen ill as a result of ingesting the contaminated bread.

"We deeply apologise for the serious inconvenience and trouble this has caused to our customers, suppliers, and other concerned parties," the spokesman said.

Pasco added in a separate statement that "we will do our utmost to strengthen our quality controls so that this will never happen again. We ask for your understanding and your co-operation."

Japanese media reports said at least two people who bought the bread in the Gunma prefecture, north-west of Tokyo, complained to the company about finding a rodent in the bread.

Record levels of shoplifting appear to be declining as fewer shopkeepers reported thefts last year, new figures show. 

A survey by the Office for National Statistics shows 26% of retailers experienced customer theft in 2023, down from a record high of 28% in 2022.

This comes despite a number of reports suggesting shoplifting is becoming more frequent. 

A  separate ONS finding , which used police crime data, showed reports of shoplifting were at their highest level in 20 years in 2023, with law enforcements logging 430,000 instances of the crime.

Let's get you up to speed on the biggest business news of the past 24 hours. 

A privately owned used-car platform is circling Cazoo Group, its stricken US-listed rival, which is on the brink of administration.

Sky News has learnt that Motors.co.uk is a leading contender to acquire Cazoo's marketplace operation, which would include its brand and intellectual property assets.

The process to auction the used-car platform's constituent parts comes after it spent tens of millions of pounds on sponsorship deals in football, snooker and darts in a rapid attempt to gain market share.

The owner of British Airways has reported a sharp rise in profits amid soaring demand for trips and a fall in the cost of fuel.

International Airlines Group said its operating profit for the first three months of the year was €68m (£58.5m) - above expectations and up from €9m (£7.7m) during the same period in 2023.

The company, which also owns Aer Lingus, Iberia and Vueling, said earnings had soared thanks to strong demand, particularly over the Easter holidays.

The prospect of a strike across Tata Steel's UK operations has gained further traction after a key union secured support for industrial action.

Community, which has more than 3,000 members, said 85% voted in favour of fighting the India-owned company's plans for up to 2,800 job losses, the majority of them at the country's biggest steelworks in Port Talbot, South Wales.

Tata confirmed last month it was to press ahead with the closure of the blast furnaces at the plant, replacing them with electric arc furnaces to reduce emissions and costs.

In doing so, the company rejected an alternative plan put forward by the Community, GMB and Unite unions that, they said, would raise productivity and protect jobs across the supply chain.

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• Donald Trump

Fact-Checking What Donald Trump Said in His 2024 Interviews With TIME

Read our full cover story on Donald Trump here . You can also read the transcript of the interviews here and a full fact check here .

Former President Donald Trump sat down for a lengthy interview with TIME on April 12 at his Mar-a-Lago Club in Palm Beach, Fla. He continued the discussion in a follow-up call on April 27. During those exchanges with TIME national politics reporter Eric Cortellessa, Trump made a number of claims that lacked context or were not supported by facts.

Below is a review of dozens of Trump’s statements from both interviews. TIME has also published the transcripts of those conversations.

What Trump Said:  “What's happening to us, with probably 15 million and maybe as many as 20 million by the time Biden's out. Twenty million people, many of them from jails, many of them from prisons, many of them from mental institutions.”

The Facts: Trump is talking about the undocumented population. The current undocumented population is not known. The Department of Homeland Security estimated there were 11.4 million as of 2018. Several groups have estimated the population is between 11 and 11.5 million as of 2022.

What Trump Said: “These aren’t civilians. These are people that aren’t legally in our country.”

The Facts: A civilian is commonly defined as anyone who is not an active member of the armed forces. Immigration status does not factor into whether someone is a civilian. Any person in the U.S., regardless of their immigration status, may be entitled to many of the same constitutional rights as U.S. citizens, including the right to due process and equal protection.

What Trump Said: “It was done by Obama in a form of jails, you know, prisons.”

The Facts: Trump was talking about building migrant detention camps. The Obama administration did hold undocumented migrants in detention facilities. In spring 2014, there was a wave of illegal border crossings by migrants fleeing Central America. After border detention cells in McAllen, Texas, filled to capacity, border patrol agents placed immigrant families in “sally port” areas outside of the detention centers. Amid an outcry over the dismal conditions, the government converted a nearby empty warehouse into a new holding facility. 

Read More: Trump Hits Netanyahu on Oct. 7; Says Other Israeli Leaders 'Could Do a Good Job'

What Trump Said: “ I completed what I said I was going to do, much more than I said I was going to do … I built much more wall than I thought necessary.”

The Facts: Throughout the 2016 campaign, Donald Trump promised to build a wall across the southern border and have Mexico pay for it. Neither happened. Trump was unable to secure border wall funding from Congress and instead directed military funds to construct portions of it. By the time he left office, the Trump administration built roughly 450 miles of border barriers along the U.S. Mexico border, much of it replacing dilapidated barriers that were already there. America’s southern border stretches for nearly 2,000 miles across four separate states. 

What Trump Said: “China was going along making $500-600 billion a year and nobody was ever even mentioning it until I came along.”

The Facts: In 2017, the year Trump took office, the U.S. imported $505 billion from China and exported $130 billion, leaving the US.-China trade deficit at $375 billion . In 2018, the deficit rose to $418 billion, the highest it’s been since 1985. In Dec. 2020, just before Trump left office, the trade deficit was $308 billion.

What Trump Said: “We ended up handing over a higher stock market substantially than when COVID first came in.”

The Facts: The CDC reported its first COVID cases in the U.S. in January 2020. On Jan. 2, 2020, the S&P 500 closed at 3257.85 . When President Biden took office in January, 2021, the S&P 500 closed at 3851.85, up 594 points.

What Trump Said: “We had the greatest economy in history. And Moody’s acknowledges that.”

The Facts: Moody’s did not say Trump “had the greatest economy in history.” In Oct. 2019, the company’s modeling predicted that Trump would win in 2020 if the economy held up.

Read More: Donald Trump Calls for Evan Gershkovich's Release

What Trump Said: “China was dumping massive amounts of steel into our country. And we saved the steel industry.”

The Facts: In March 2018, Trump imposed a 25% tariff on imported steel, aiming to increase demand for domestic steel. The tariff temporarily drove up steel prices in the U.S., diminishing demand and sparking job cuts in U.S. industries reliant on steel, such as Michigan auto makers like General Motors and Ford. Entire steel operations shuttered , including the Great Lakes Works, where 1,250 people lost their jobs. As domestic steel prices increased, increasingly competitive imports drove the prices down again, and Trump rolled back the tariff for multiple countries in response. 

Toward the end of Trump’s term, the steel industry overall employed 1,900 fewer steel workers than it did when he took office. One study found Trump’s steel and aluminum tariffs resulted in an estimated net loss of 75,000 American manufacturing jobs within a year. Michigan was hit especially hard—between the time Trump announced the steel tariffs and August 2020, the state’s metal manufacturers alone employed 7,300 fewer people.

What Trump Said: “We can’t do business with India, because they charged us with such a big tariff. It was over 100%.”

The Facts: Trump was talking about high tariffs India previously levied on motorcycles that affected U.S.-based Harley Davidson. Trump has brought up this specific tariff before. In 2017, India levied a 100% tariff on motorcycles, however most of the company's motorcycles were assembled at their factory outside of New Delhi, exempting the company from import tariffs. (The plant shut down in 2020.) India later lowered its tariff on imported motorcycles to 50%, according to 2022 data .

What Trump Said: “Mexico has taken 31% of our auto manufacturing auto business.”

The Facts: Trump has said this before, including in a 2019 interview on CNBC. The independent research firm, the Center for Automotive Research, told the network they knew of no data or examples to support Trump’s claim. "There are no cases that I can name where an automaker closed a plant in the U.S., moved that work, opened a new plant in Mexico, and you can definitely call it a replacement," said one of the group’s researchers Bernard Swiecki . That said, the Mexican auto manufacturing industry has grown in recent years. As of the end of 2023, Mexico was the world’s seventh largest passenger vehicle manufacturer. Eighty-eight percent of those vehicles are exports, with 76 percent going into the United States, according to the International Trade Administration.

What Trump Said: “I even built the embassy. And it’s a beautiful embassy for a lot less money than anybody ever thought possible.”

The Facts: Trump is talking about his decision to move the U.S. Embassy from Tel Aviv to Jerusaem, which he announced in December 2017. In early 2018, Trump claimed the U.S. would spend only $200,000 to $300,000 on the project. The embassy opened in May 2018, with the U.S. originally spending just under $400,000 on modifications to the site. But just months after the opening, Desbuild Limak, a Maryland-based firm, was awarded a $21.2 million contract from the State Department to design an extension and security enhancements—upgrades that put the embassy's cost more than $20 million over budget.

Read More: Exclusive: Trump Says ‘Anti-White Feeling’ Is a Problem in the U.S .

What Trump Said: “The people of Israel appreciate it. I have like a 98%—I have the highest approval numbers.

The Facts: Recent polls do not show Trump having a 98% approval rating in Israel. A March 2024 survey by Israeli television station Channel 12 found that 44% of Israelis would like to see Donald Trump return to the White House in 2025, and 30% would like to see Joe Biden serve a second term. 

What Trump Said: “Every legal scholar for 53 years has said that issue is a state issue from a legal standpoint … Every legal scholar, Democrat, Republican, and other wanted that issue back at the states. You know, Roe v. Wade was always considered very bad law. Very bad.”

The Facts: Not every legal scholar in the last half century has believed Roe v. Wade to be “very bad.” Many viewed the ruling as rightly decided, believing the implied right to privacy in the Constitution extended to medical procedures like abortions. Some scholars have previously criticized the decision for, among other reasons, being too narrow in scope.

What Trump Said: “You take a look at not only his criminal acts of taking a lot of money and being a Manchurian candidate … He’s committed many crimes.”

The Facts: Trump was talking here about allegations he and other Republicans have made about President Joe Biden. House Republicans have led a year-long effort to impeach Biden, with the investigation largely focusing on the possibility of Biden’s involvement in the overseas business dealings of his son, Hunter Biden. The investigation has thus far produced no evidence of criminality.

What Trump Said: “It’s not even a criminal case.”

The Facts: Trump was talking about his ongoing trial in Manhattan, where he faces 34 felony counts of falsifying business records, connected to his role in a $130,000 hush-money payment to adult film star, Stormy Daniels, ahead of the 2016 presidential election. New York statute considers the falsification of business records on its own to be a misdemeanor, but a felony if it was done in furtherance of another crime. The Manhattan District Attorney’s office alleges that Trump’s second crime stems from violations of election law. Trump has pleaded not guilty to the charges, as well as those in three other criminal cases. He is the first former U.S. President to face criminal charges of any kind.

Read More: The Story Behind TIME’s ‘If He Wins’ Donald Trump Cover

What Trump Said: “His head of the Justice Department, one of the top few people, was put into the DOJ. Fani, Mr. Wade, Fani’s lover, spent hours in Washington working on my case. The DOJ worked with Letitica James on my case. The DOJ worked with deranged Jack Smith. He’s a deranged person on my case … It’s called election interference.” 

The Facts: Trump was referring to Matthew Colangelo, a former senior official at the Justice Department who left the agency to become Senior Counsel to Manhattan District Attorney Alvin Bragg. Before serving in the DOJ, Colangelo worked in the New York Attorney General’s office, where he led the office’s civil fraud inquiry into the former President and the Trump Organization. Trump supporters have suggested the connection is a sign that President Joe Biden had a hand in Bragg's prosecution against Trump. The DA has charged Trump with falsifying business records to conceal a hush money payment to a porn star during the 2016 election. No evidence of Biden’s involvement in the New York case has ever come to light.

There is likewise no evidence that Nathan Wade, a former prosecutor in the Fulton County indictment of Trump for election interference, or New York Attorney General Letitia James, colluded with Biden’s Justice Department in their respective cases. 

In November 2022, Attorney General Merrick Garland appointed Jack Smith as Special Counsel overseeing the federal investigations into Trump’s attempt to overturn the 2020 election, and Trump’s handling of classified documents after he left office. The announcement came shortly after Trump announced he was running for the 2024 GOP presidential nomination. Special Counsels are appointed to ensure the independence of prosecutors when there is the potential for a conflict between the attorney general, who is a political appointee, and the subject of the investigation.

What Trump Said: “That was done by a political lawyer in front of a highly, in my opinion, a totally inappropriate judge, who was conflicted for a lot of reasons.”

The Facts: Trump is talking about the E. Jean Carroll defamation case, in which the jury ordered Trump to pay Carroll $83.3 million in damages. Trump’s attorney Alina Habba tried to argue that the U.S. district judge presiding over the case, Lewis Kaplan, faced conflicts of interest, claiming that the judge had once served as a mentor to E. Jean Carroll’s lead attorney, Roberta Kaplan (no relation) when they both worked at the same law firm in the 1990s. After Habba called their relationship “incestuous,” Roberta Kaplan responded in a letter to the court in which she said she had no recollection of interacting with the judge during that period. Habba promptly retracted the accusation and said the matter had been “resolved.”

What Trump Said: Biden “is willing to hurt a former President who is very popular, who got 75 million votes. I got more votes than any other sitting president in history.”

The Facts: Trump received 74.2 million votes in the 2020 general election, and Biden received 81.3 million. Given population growth in the U.S., the number of votes cast in the general presidential election usually increases each cycle. In most cases going back to the country’s founding, each sitting President has drawn more votes in his re-election bid than any of his predecessors.

Read More: Read the Full Transcripts of Donald Trump's Interviews With TIME

What Trump Said: “It’s a two-tier system. Because when I look at Portland, when I look at Minneapolis, where they took over police precincts and everything else, and went after federal buildings, when I look at other situations that were violent, and where people were killed, nothing happened to them. Nothing happened to them. I think it’s a two-tier system of justice.”

The Facts: Trump is talking about the law enforcement response to Black Lives Matter protests in 2020. A review by The Associated Press found more than 300 federal cases were filed nationwide in connection with 2020 protests; more than 120 people were convicted or pleaded guilty to their charges. Of the roughly 70 people sentenced by Aug. 2021, the average sentence length was 27 months in prison, with at least 10 people receiving sentences of five years or more.

 In Portland, Ore., BLM protests stretched on for months and were largely described as peaceful, although some became violent or resulted in property destruction like arson or looting. Police arrested nearly 1,000 protestors, and roughly 90% of the charges were eventually dropped. Nearly 70% of the people arrested had been charged with “interfering with a peace officer” and “disorderly conduct,” which in those cases often meant protesting in the street when directed to stop. The U.S. Attorney also filed federal charges against dozens of protestors in Portland. Prosecutors ultimately dropped 47 of them. Multiple defendants pleaded guilty and were sentenced to prison. 

One person in Portland was shot and killed during a clash of counter-protestors, and a task force led by federal officials later shot and killed the suspect in that homicide. 

Some of the most intense reactions to the aftermath of George Floyd’s death on May 25, 2020, were in Floyd’s city of Minneapolis. Arsonists set more than 150 fires to structures in the following week. On May 28, rioters surrounded the local precinct of the four officers who would be charged in connection to Floyd’s death. Officers and officials abandoned the structure, and demonstrators set the station on fire. Police arrested hundreds, giving most of the protestors misdemeanor citations for breaking an imposed curfew. Seventeen people were charged with arson-related crimes, and 16 of them were sentenced to prison for anywhere from two to ten years.

What Trump Said: “And whether you like it or not, nobody died other than Ashli.”

The Facts: A bipartisan Senate report found that seven people lost their lives in connection to the Jan. 6 attack on the Capitol.

Four people in the crowd died, including Ashli Babbitt, who was fatally shot by a Capitol Police officer. Kevin Greeson died of a heart attack, and Benjamin Philips died of a stroke. Rosanne Boyland was crushed by a stampede. A Washington medical examiner determined that Greeson and Philips died from natural causes, and that Boyland’s death was caused by an accidental overdose. 

In the days and weeks after the attack, three police officers died. Howard S. Liebengood, a Capitol Police officer, and Jeffrey Smith, a Metropolitan police officer, both died by suicide. Capitol Police officer Brian D. Sicknick died on Jan 7, after undergoing multiple strokes in the hours after he confronted the rioters.

What Trump Said: “I’m the one that tried to stop it. I offered 10,000 soldiers and Nancy Pelosi turned me down. So did the mayor of Washington. She turned me down in writing.”

The Facts: Trump did not offer 10,000 soldiers to protect the Capitol. He has made prior false claims that he ordered the deployment of 10,000 National Guardsmen on Jan. 6 to control crowds who would attend his rally, and that House Speaker Nancy Pelosi blocked the instruction. According to the official Department of Defense timeline of events associated with Jan. 6, no such order existed. D.C. Mayor Muriel Bowser had previously requested 340 National Guard troops for that day from the Department of Defense.

Read More: Donald Trump Says Political Violence ‘Depends’ on ‘Fairness’ of 2024 Election

What Trump Said: “I have a lawsuit against Pulitzer Foundation over the Russia, Russia, Russia hoax, because they talked about it for two and a half years and it turned out to be a total scam. And then certain writers got Nobel Prizes.”

The Facts: Trump filed a defamation lawsuit against the Pulitzer Prize Board in Dec. 2022 because it had awarded its prestigious National Reporting prize in 2018 jointly to the New York Times and Washington Post for their reporting on the Trump campaign’s alleged collusion with Russia over the 2016 election. In response, Trump appealed the reward and requested that the Pulitzer board review the choices for factual inaccuracies. Upon completing two independent reviews of the 20 articles, the Pulitzer board released a statement declining to revoke the award. Afterwards, Trump sued the Pulitzer board for defamation. 

None of the writers involved with the Pulitzer-Prize winning coverage have received Nobel Prizes.

What Trump Said: “We were spending almost 100% of the money on NATO. We were protecting Europe and they weren’t even paying … Only eight countries were paying. The rest of them were delinquent.” 

The Facts: In 2006, NATO members agreed that each country would allot 2% of its Gross National Product to defense spending. The agreement, a defense investment guideline, ensures the Alliance's collective military readiness . It is not a bill, but rather a voluntary spending guideline for each country’s military budget. In 2017, four countries were meeting the target, according to NATO records. By 2020, nine were. In February, Secretary General Jens Stoltenberg said he “expects 18 Allies to spend 2% of GDP on defense in 2024—a six-fold increase since 2014 when only three Allies met the target.”

What Trump Said: “Biden has the right to close up the border right now. He doesn’t need anything from Congress.”

The Facts: To “close the border,” migrants would have to be banned from claiming asylum. Biden has placed limits on the abilities of migrants to claim asylum in the U.S. The Executive branch, however, does not have legal authority to suspend U.S. asylum law unilaterally. 

Unless Congress changes asylum laws, migrants still have the right to claim refuge or request humanitarian assistance. When Trump attempted to ban most asylum seekers, federal courts struck down the policy.

What Trump Said: “I believe if we were attacked, NATO wouldn’t be there. Many of the countries in NATO would not be there.”

The Facts: NATO’s collective defense principle stipulates that an attack on a single NATO Ally constitutes an attack on all NATO Allies. As defined in Article 5 of the treaty, all members will take actions to defend or assist the Ally that has been attacked. 

Since its adoption in 1949, Article 5 has only been invoked once : immediately after the Sept. 11, 2001 terrorist attacks in the United States. The other 18 member nations of NATO launched a number of operations in response, including the deployment of air forces to secure the skies over the U.S. and naval anti-terrorism efforts. NATO members also participated in the ensuing ground war in Afghanistan.

What Trump Said: “Secretary Stoltenberg said, and I hope he says it now, but he certainly said it then loud and clear, he has never seen any force like Trump.”

The Facts: Jens Stoltenberg, the NATO Secretary-General, did not say he had never seen any force like Trump. In a 2019 visit to the White House, Stoltenberg thanked then-President Trump for his “strong leadership and commitment to the Alliance.” More recently, after Trump suggested he wouldn't protect NATO allies that didn’t meet payment targets, Stoltenberg said Trump’s threats “undermine the credibility of Nato’s deterrence.”

What Trump Said: “Some of those people I fired. Bill Barr, I fired Bill Barr.”

The Facts: Former Attorney General Bill Barr submitted his resignation letter to Trump on Dec. 14, 2020. Trump at the time said he accepted the resignation, tweeting: “Our relationship has been a very good one, he has done an outstanding job!” A senior White House official confirmed to The Washington Post that Barr had not been fired.

From a Follow-up Interview on April 27

What Trump Said: I passed the law. I took an old law, brought it into effect that you get a minimum of 10 years without any adjustment if  you do anything to desecrate a monument and everything was immediately set up … everything stopped after that. 

The Facts: In June 2020, following the murder of George Floyd, protesters sought to topple many of the Confederate statues across the country. Trump signed an executive order directing federal law officials to prosecute individuals who damage monuments, statues, or other federal property. The executive order simply directed the Attorney General to enforce an existing law.

What Trump Said: “We have 40,000 troops, and in a somewhat precarious position.”

The Facts: Trump has complained that the U.S. has 40,000 troops in South Korea, but the actual number is 28,500.

What Trump Said: South Korea “paid us billions, many billions of dollars, for us having troops there. From what I’m hearing, they were able to renegotiate with the Biden Administration and bring that number way, way down to what it was before, which was almost nothing.”

The Facts: During his presidency, Trump demanded that South Korea increase its contributions to host U.S. troops in the country. In early 2019, the country’s contribution increased by more than 10%, from $830 million annually to $924 million. Trump had requested the country pay as much as $5 billion dollars —a 500% increase and a “non-starter” for South Korea, as Reuters reported at the time.

In 2021, the two countries agreed that South Korea would pay $1 billion that year—a 13.9% increase from its annual payments in 2019 and 2020, with costs increasing by 6.1 percent per year until 2025. The U.S. and South Korea are currently re-negotiating a new cost-sharing agreement to begin in 2026.

What Trump Said: “I never said that at all,” when asked about terminating the U.S. Constitution

The Facts: On Dec. 3, 2022, referring to the 2020 election, Trump posted on his Truth Social website: “A Massive Fraud of this type and magnitude allows for the termination of all rules, regulations, and articles, even those found in the Constitution.”

What Trump Said: “The cupboards were bare. We had no gowns, we had no masks. We had no goggles, we had no medicines. We had no ventilators. We had nothing. The cupboards were totally bare.”

The Facts: When Trump came into office, the U.S. Strategic National Stockpile, an integrated collection of secret, federally-controlled warehouses packed with medical and protective equipment, was short on supplies. That’s because President Barack Obama deployed resources from the stockpile for public health emergencies such as the swine flu and Ebola crises. When Obama tried to restock the stockpile, Tea Party Republicans blocked the new funding. In his first three years as president, Trump never attempted to replenish the equipment. That proved costly once the pandemic struck. By April of 2020, the U.S. government had already distributed 90 percent of its supplies.

What Trump Said: “I was very strong on saying that this came from Wuhan. And it came from the Wuhan labs. And I said that from day one.”

The Facts: The scientific community and the nation’s foremost epidemiologists have yet to form a consensus on the pandemic’s origins. While the U.S. Energy Department and the Federal Bureau of Investigation have each concluded that COVID-19 most likely arose from a Wuhan lab leak, the nation’s top intelligence agencies say it’s more likely the outbreak stemmed from natural transmission from an animal market. None have reached a definitive conclusion.

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Write to Simmone Shah at [email protected] and Julia Zorthian at [email protected]

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A recent post on the Music Network of Maine Facebook page by singer-songwriter Anni Clark about an upcoming show.

Maine music fan and guitarist John Perry started the Music Network of Maine Facebook page about a decade ago. It’s described as a place for videos, photos and events involving Maine musicians and shows in the state.

On any given day, you can see anywhere from a handful to dozens of posts about upcoming performances by musicians and bands happening at venues all over the state.

Singer-songwriter Anni Clark is an active contributor, and her most recent post shared info about a May 9 show in Westbrook. Another recent post had details about a Fleetwood Mac tribute show scheduled for May 18 in Bath.

Account: Music Network of Maine

Platform: Facebook

Followers: 12,700

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