A firm's marginal cost equals the:

a. ratio of total cost to total quantity.
b. slope of the demand curve under perfect competition.
c. slope of the total product curve when the latter is at its maximum.
d. change in total cost divided by the change in total output.
e. slope of the supply curve.

d

Economics

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Since 1981, deaths from cardiovascular diseases have decreased in the United States

Indicate whether the statement is true or false

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If the expected inflation rate is 4 percent and the nominal interest rate is 9 percent, the expected real interest rate is _____

a. 13 percent b. ?5 percent c. 9 percent d. ?13 percent e. 5 percent

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