Consider two industries in which firms hold the following market shares: Industry A: 25%, 20%, 18%,...

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Consider two industries in which firms hold the following market shares: Industry A: 25%, 20%, 18%,...

Consider two industries in which firms hold the following market shares:

Industry A: 25%, 20%, 18%, 15%, 8%, 7%, 4%, 2%, 1%
Industry B: 30%, 10%, 9%, 8%, 8%, 8%, 8%, 6%, 6%, 5%, 2%

What are the concentration ratios for each industry? Which is more competitive?

business economics

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