竞争性厂商的短期供给曲线是
A平均可变成本曲线在边际成本曲线之上的部分
B边际成本曲线在平均可变成本曲线上的部分
C边际成本曲线在平均成本曲线上的部分
D平均成本曲线在边际成本曲线上的部分
以我之见,应该是B,因为只要边际成本大于平均可变成本,在短期内企业继续生产就是有利可图的
微观经济学选择题5.The short-runsupply curve of a competitive firm is
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