题目内容
（请给出正确答案）
A．sellers and buyers have perfect information．
B．entry and exit are difficult．
C．sellers produce similar, but not identical products．
D．each seller can affect the market price by changing output．
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更多“In a perfectly competitive mar…”相关的问题
Refer to Figure 6-1. The firm should shut down if the market price is
A、above $8.
B、above $6.30 but less than $8.
C、above $4.50 but less than $6.30.
D、less than $4.50.
A、Standard Deviation and Range.
B、Mean and Mode.
C、Tendency and Dispersion.
D、Median and Mean.
B．in a monopolistic situation．
C．in a perfectly competitive market．
D．sales rise with the increase in price level．
A、equals marginal revenue.
B、is less than marginal revenue.
C、is greater than marginal revenue.
D、can be greater than or less than marginal revenue.
B．priceinthemarketdecreases．
C．priceinthemarketdoesnotchange
D．marketisnolongeracompetitivemarket．
B．the marginal cost of producing the good is zero．
C．the price of the good equals marginal cost．
D．the average revenue equals average cost．
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