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Market share: private schools

Hi!

Why we don't consider share of market?

All private schools is the subject of tender or not?

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Top answer
Hagen
Coach
edited on Apr 30, 2024
#1 recommended coach | >95% success rate | 9+ years consulting, interviewing and coaching experience

Hi Marina,

Thank you very much for this question. I would be happy to share the solution to it:

  • As the prompt states that it is a closed tender of some private schools, this means that only the winner of the tender will be allowed to produce the first-grade textbooks for these private schools.
  • Therefore, the market share of the winner will be 100% in that specific segment, which means we can mathematically ignore the market share.

If you would like a more detailed discussion on how to best prepare for your upcoming interviews, please don't hesitate to contact me directly.

Best,

Hagen

on Apr 30, 2024
Thank you, Hagen.
Hagen
Coach
on Apr 30, 2024
#1 recommended coach | >95% success rate | 9+ years consulting, interviewing and coaching experience
Sure, always happy to help, Marina.
on Apr 30, 2024
#1 Rated McKinsey Coach | Top MBB Coach | Verifiable success rates

Marina, 

I see Hagen already addressed your question directly below. 

I wanted to add that you should bring this attitude and these sorts of questions to how you interact with the interviewer through a market sizing exercise. 

At the end of the day, it's not the actual numerical answer that they care about, but rather how you think through the process, how you co-create an approach with the interviewer and finally, how you align with them on the core assumptions that will lead to the result. 

That means that you might have to ask clarifying questions upfront to clarify what is the scope of the market sizing question. Do that. It's great. 

If you're practicing for interviews at the moment, you might also find this helpful:

Best,
Cristian

Pedro
Coach
on Apr 30, 2024
Bain | EY-Parthenon | Former Principal | 1.5h session | 30% discount 1st session

Hi Marina,

I believe you are correct. The case states that SOME private schools are considering changing their textbooks. 

As such, the case should be providing the market share they represent.  In a real case, that would be a question to the interviewer that would make complete sense (and most likely they would provide you with a market share).

Of course, for this case, you will have to assume that the prompt is imprecise and all private schools are subject to the tender, otherwise the calculations would not make sense.

Alberto
Coach
on Apr 30, 2024
Ex-McKinsey AP | Professional MBB Coach | +13yrs experience | +2,000 real interviews | +150 offers

You should definitely ask these types of questions in a real interview after hearing the prompt to align the scope with the interviewer.

Best,

Alberto

Check out my latest case based on a real MBB interview: Sierra Springs

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