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An industry consists of eight firms with annual sales (in millions) of $200, $300, $900, $600,...

An industry consists of eight firms with annual sales (in millions) of $200, $300, $900, $600, $300, $700, $500, and $600, respectively. What is the industry's C4?

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Answer #1

Solution:-

Current market share of each firms

Firm Annual sales Market share 7.3290 21 .95% 17.07% 14.63% 0 Total 4 100%

Compute the 4-firm CR b adding up the market shares of the top 4 firms.
Thus, 4-CR = 21.95% + 17.07% + 14.63% + 14.63% = 68.28%

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