题目内容

If a firm in a monopolistically competitive market successfully uses advertising to decrease the elasticity of demand for its product, the firm will

A.be able to increase its markup over marginal cost.
B. eventually have to reduce price to remain competitive.
C. increase the welfare of society.
D. reduce its average total cost.

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Critics of markets that are characterized by firms that sell brand-name products argue that brand names encourage consumers to pay more for branded products that

A. have elastic demand curves.
B. are very different from generic products.
C. are indistinguishable from generic products.
D. consumer-advocate groups have found to be inferior.

A profit-maximizing firm in a monopolistically competitive market can earn positive, negative, or zero profits in the short run.

A. 对
B. 错

A monopolistically competitive firm faces a downward-sloping demand curve because there are few firms in the market.

A. 对
B. 错

多个窗口进行切换时,可用下列哪种组合键?

A. “Alt”+“Tab”
B. “Alt”+“Ctrl”
C. “Alt”+“Shift”
D. “Ctrl”+“Tab”

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