A firm’s marginal cost is $5. If it charges a price of $20, the price elasticity of demand for the product of this firm is: a. −0.25. b. −0.50. c. −0.75. d. −1.33. e. None of the above.

Microeconomics
13th Edition
ISBN:9781337617406
Author:Roger A. Arnold
Publisher:Roger A. Arnold
Chapter9: Perfect Competition
Section: Chapter Questions
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A firm’s marginal cost is $5. If it charges a price of $20, the price elasticity of

demand for the product of this firm is:

a. −0.25.

b. −0.50.

c. −0.75.

d. −1.33.

e. None of the above.

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