How do I derive the number of opticians in Milan starting from the equilibrium income Y*?

Final Round Guesstimate Market sizing
New answer on Nov 30, 2019
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Anonymous A asked on Nov 27, 2019

The question is about finding the number of opticials starting from the macroeconomic formula of the equilibrium income ( keynes formula). I have no clue in how to resolve it, but it is a case that a friend of mine received for the last round in mck from a partner.

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Antonello
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replied on Nov 30, 2019
McKinsey | MBA professor for consulting interviews

Hi,
the statement about equilibrium is not 100% clear (n. of opticians is necessary and sufficient to serve all the demand?)

Best,
Antonello

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Vlad
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replied on Nov 27, 2019
McKinsey / Accenture Alum / Got all BIG3 offers / Harvard Business School

Hi,

Your question is unclear, could you pls clarify?

Thanks

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Antonello gave the best answer

Antonello

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McKinsey | MBA professor for consulting interviews
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