题目内容

A change in the supply of bread is least likely to result from a change in:

A. Wages for bakers.
B. The price of bread.
C. The price of wheat.

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In which market structure(s) can a firms supply function be described as its marginal cost curve above its average variable cost curve?

A. Oligopoly or monopoly.
B. Perfect competition only.
C. Perfect competition or monopolistic competition.

The demand for products from monopolistic competitors is relatively elastic due to:

A. High barriers to entry.
B. The availability of many close substitutes.
C. The availability of many complementary goods.

Consider a firm in an oligopoly market that believes the demand curve for its product is more elastic above a certain price than below this price. This belief fits most closely to which of the followi

A. Cournot model.
B. Dominant firm model.
C. Kinked demand model.

Which of the following statements most accuratelydescribes the shapes of the average variable cost (AVC) and average total cost (ATC) curves over a wide range of output?

A. The AVC curve and the ATC curve are both U-shaped.
B. The AVC curve declines throughout;the ATC curve is U-shaped.
C. The AVC curve is U-shaped;the ATC curve increases initially then declines.

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