A firm seeking to maximize economic profits should produce at the output at which
A) total revenue equals total cost.
B) marginal revenue equals marginal cost.
C) average revenue equals average cost.
D) marginal revenue equals average revenue.
Answer: B
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Suppose tennis shoes cost $50 per pair and firms supply 50,000 pairs of shoes. If the price decreases to $45 and firms decide to supply 48,000, the elasticity of supply equals
A) 0.0025. B) 0.04. C) 2.63. D) 0.39.
In the short-run macro model, the change in inventories will
a. equal output minus aggregate expenditures b. trigger a price change c. equal investment minus depreciation d. equal sales minus investment e. be matched by an equal and opposite change in the subsequent period
A merger between McDonald's and Burger King would be called a(n)
a. horizontal merger b. vertical merger c. conglomerate merger d. cartel e. illustration of game theory
For a consumer to maximize utility, he will choose the
a. point where the slope of the budget line equals the slope of the indifference curve. b. any point where the budget line and indifference curve intersect. c. point where he gets the most of the good he prefers most. d. point where the marginal rate of substitution is greatest. e. the point where marginal utility is zero for both goods