The larger the four-firm concentration ratio, the ________ competition within an industry; the larger the Herfindahl-Hirschman Index, the ________ competition within an industry

A) more; more
B) more; less
C) less; more
D) less; less
E) The premise of the question is wrong because the four-firm concentration ratio applies only to markets with four firms in it and these markets are, by definition, not competitive.

D

Economics

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