完全垄断厂商的平均收益曲线为直线时,边际收益曲线也是直线.边际收益曲线的斜率
为平均收益曲线斜率的().
A2倍; B1/2倍; C1倍; D4倍.
人气:348 ℃ 时间:2020-04-27 06:02:31
解答
是2倍
设P=A-BQ TR=P*Q=AQ-BQ^2
AR=P=A-BQ K=P'=-B
MR=TR'=A-2BQ K=MR'=-2B
所以是A
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