Case studies Market sizing
Brief
Market Sizing / Capacity questions are a classic of consultancy interviews
Your interviewer will ask you for a fact or a figure you couldn’t possibly know off the top of your head e.g. :
- How many jumbo jets take off from Heathrow every year?
- How many phone boxes are there in the UK?
Purpose
These case studies are designed to test a range of different skills:
- Numerical ability
- Logical thought process
- Assumption making
- Sense Checking
- Communication skills
- Imagination and innovation
Tips
Remember, it's surprising how other bits of information you do know can lead you to a surprisingly accurate figure for something you don’t know. The route you take and the way that you plan and execute your answer makes the difference between success and failure.
Although you cannot prepare for every eventuality practice will help you get into the mindset of thinking logically and laterally.
Some basic facts can come in handy e.g. population and demographics, economic indicators.
