There are 300 purely competitive farms in the local dairy market. Of the 300 dairy farms, 298 have a cost structure that generates profits of $24 for every $300 invested. What is their percentage rate of return? The other two dairies have a cost structure that generates profits of $22 for every $200 invested. What is their percentage rate of return? Assuming that the normal rate of profit in the economy is 10 percent, will there be entry or exit? Will the change in the number of firms affect the two that earn $22 for every $200 invested? What will be the rate of return earned by most firms in the industry in long-run equilibrium? If firms can copy each other’s technology, what will be the rate of return eventually earned all firms?

Microeconomics: Private and Public Choice (MindTap Course List)
16th Edition
ISBN:9781305506893
Author:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Publisher:James D. Gwartney, Richard L. Stroup, Russell S. Sobel, David A. Macpherson
Chapter9: Price Takers And The Competitive Process
Section: Chapter Questions
Problem 15CQ
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There are 300 purely competitive farms in the local dairy market. Of the 300 dairy farms, 298 have a cost structure that
generates profits of $24 for every $300 invested. What is their percentage rate of return? The other two dairies have a cost structure that generates profits of $22 for every $200 invested. What is their percentage rate of return? Assuming that the normal rate of profit in the economy is 10 percent, will there be entry or exit? Will the change in the number of firms affect the two that earn $22 for every $200 invested? What will be the rate of return earned by most firms in the industry in long-run equilibrium? If firms can copy each other’s technology, what will be the rate of return eventually earned all firms?

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