If an industry has exactly 20 firms with identical sales, the Herfindahl index must be:
A) less than 100.
B) greater than 100 but less than 200.
C) greater than 200 but less than 400.
D) greater than 400.

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The Answer of If an industry has exactly 20 firms with identical sales, the Herfindahl index must be:
A) less than 100.
B) greater than 100 but less than 200.
C) greater than 200 but less than 400.
D) greater than 400.

If an Industry Has Exactly 20 Firms with Identical Sales