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【简答题】
中国古代的( )制大体从北宋开始沿袭下来。北宋时期的商业和手工业的发展,传统的设市和( )制已不能适应新的社会经济情况。
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【判断题】For a cartel behaving like a pure monopoly, equating marginal revenue to marginal cost maximizes profit over and above the perfectly competitive profit.
A.
正确
B.
错误
【单选题】Pure monopoly is characterized by
A.
many firms that produce a homogeneous product
B.
many firms that produce slightly different products that are close substitutes
C.
such a small number of firms that each must figure out how the others will respond to its own actions
D.
one firm, with no competitors, that produces a product with no close substitutes
【单选题】Pure monopoly:
A.
is characterized by a single supplier.
B.
is a market structure in which no close substitute products are available.
C.
exists when entry and survival of potential competitors is extremely unlikely.
D.
is characterized by all of the above.
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