the long-run equilibrium, all firms in a perfectly competitive market earn zero economic profit. Explain why this is true using intuition and graphs.

Microeconomics
13th Edition
ISBN:9781337617406
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter9: Perfect Competition
Section9.3: Perfect Competition In The Long Run
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(b) In the long-run equilibrium, all firms in a perfectly competitive market earn zero economic profit. Explain why this is true using intuition and graphs.

 

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