Ten firms compete in a market to sell product X. The total sales of all firms selling the product are $1,500,000. Ranking the firms' sales from highest to lowest, we find the top four firms' sales to be $375,000, $305,000, $245,000, and $ 195, 000, respectively. Calculate the four - firm concentration ratio in the market for product X.

Microeconomics
13th Edition
ISBN:9781337617406
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter11: Monopolistic Competition, Oligopoly, And Game Theory
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Ten firms compete in a market to sell product X. The total sales of all firms selling the product are $1,500,000. Ranking
the firms' sales from highest to lowest, we find the top four firms' sales to be $375,000, $305,000, $245, 000, and $
195,000, respectively. Calculate the four - firm concentration ratio in the market for product X.
Transcribed Image Text:Ten firms compete in a market to sell product X. The total sales of all firms selling the product are $1,500,000. Ranking the firms' sales from highest to lowest, we find the top four firms' sales to be $375,000, $305,000, $245, 000, and $ 195,000, respectively. Calculate the four - firm concentration ratio in the market for product X.
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