The Herfindahl-Hirschman Index (HHI) Is a Measure of Concentration Found

question 70

Multiple Choice

The Herfindahl-Hirschman Index (HHI) is a measure of concentration found by:

• A) squaring the percentage share of each firm in the industry.
• B) squaring the percentage share of each firm in the industry and then summing the squared market shares.
• C) summing the percentage shares of each firm in the industry.
• D) squaring the sums of the concentrations ratios found in an industry survey of the largest 4 and largest 8 firms.

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