盖楼求助 最佳答案, period, market, 紫气东来, book

orientleon

此贴为本人 紫气东来 7天内求助专用贴，发问后我会总结出最佳答案，然后保留分享，希望各位达人支持！、

首发：
schweser notes book 2 page 80，

in a perfectly competitive market ,a  firm will not earn economic profits for any significant period time.
the assumption is that new firm will enter into the market to earn profits, 。。。。。。。。。。。。


开始的那句，in a perfectly competitive market ,a  firm will not earn economic profits for any significant period time 。 是什么意思，怎么理解，想不通哦

happy19991202

我个人理解是，在perfectly competitive market, 边际利润为0，无任何潜在机会收益，所以firms will not earn economic profits