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What is the meaning of a four-firm concentration ratio

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Reference no: EM13199570

What is the meaning of a four-firm concentration ratio? Interpret what four-firm concentration ratio of 60 % would mean. Interpret what a score of 90% would mean for the four-firm concentration ratio. What are the shortcomings of concentration ratios as measures of monopoly or oligopoly power?

Reference no: EM13199570

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