Calculating Concentration Ratios in Oligopoly Markets

The video tutorial explains concentration ratios, which measure the market control of the largest firms, particularly in oligopolies. It covers how to calculate n-firm concentration ratios with examples, including 2, 3, and 5-firm ratios. An advanced example demonstrates calculating a 4-firm ratio using total revenue. The tutorial concludes with the significance of concentration ratios in understanding market power and potential collusion.

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