Five oligopoly firms have market shares of 40%, 20%, 18%, 12%, and 10%. Compute the four-firm concentration ratio and the Herfindahl-Hirschman index for the industry.

Question

Quizplus · Accepted Answer

The Answer of Five oligopoly firms have market shares of 40%, 20%, 18%, 12%, and 10%. Compute the four-firm concentration ratio and the Herfindahl-Hirschman index for the industry.

Five Oligopoly Firms Have Market Shares of 40%, 20%, 18