The sum of the squares of the market share for the fifty largest firms in a market is the basis of the government's current merger guidelines.

Name: The sum of the squares of the market share for the fifty largest firms in a market is the basis of the government's current merger guidelines.
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Question

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The Herfindahl-Hirschman Index (HHI), which is the sum of the squares of the market shares of the largest firms, is used by the government to assess market concentration in merger guidelines.

The Sum of the Squares of the Market Share for the Fifty