NO.PZ2016010802000047
问题如下:
The short-term shutdown point of production for a firm operating under perfect competition will most likely occur when:
选项:
A.
price is equal to average total cost.
B.
marginal revenue is equal to marginal cost.
C.
marginal revenue is less than average variable costs.
解释:
C is correct.
The firm should shut down production when marginal revenue is less than average variable cost.
考点:停止营业点
解析:当边际收益小于平均可变成本时,厂商就应该停止营业。所以应该选C
老师讲义上不是写着AVC=AR时就关门吗,为什么这里B不对?