The authors explain that a firm earning a zero economic profit in the long run has earned a competitive return on their investment. What do they mean by "competitive" return in this context?
A) The firm's return could only be earned under perfect competition and would be smaller under imperfect competition.
B) The firm's return is at least as larger as the returns earned by other firms.
C) The firm's return is at least as larger as could be earned in another investment.
D) The firm's return is negative, which initiates stronger competition among firms in the market.
C
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The slope of the consumption function shows how: a. consumption changes over time. b. consumption changes as household size changes
c. consumption changes as the price level changes. d. income changes as the level of consumption changes. e. consumption changes as the level of income changes.
An increase in consumer wealth shifts the consumption function upward
a. True b. False Indicate whether the statement is true or false