题目内容

[单选]Which of the following goods are not likely to be sold in monopolistically competitive markets?

A. jeans
B. books
C. tap water
D. clocks

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[单选]Because monopolistically competitive firms produce differentiated products, each firm

A. faces a demand curve that is horizontal.
B. faces a demand curve that is vertical.
C. has no control over product price.
D. has some control over product price.

[单选]When quality cannot be easily judged in advance, what provides consumers with information about the quality of a product?

A. a brand name
B. a tie-in
C. the quantity available for sale
D. the amount of deadweight loss

[判断]Monopolistic competition is characterized by many buyers and sellers, product differentiation, and free entry.

A. 对
B. 错

[判断]A monopolistically competitive market is characterized by barriers to entry.

A. 对
B. 错

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