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标题: 麻烦各位帮忙解个题，万分感激啊~ [打印本页]

作者: Luccifero 时间: 2010-8-2 10:21 标题: 麻烦各位帮忙解个题，万分感激啊~

Assume that Notasled, a producer of cafeteria trays, operates in a perfectly competitive market. In addition, assume that the market price is $3.25. Notasled will increase production so long as:

A) marginal revenue is positive.

B) marginal revenue is greater than $3.25.

C) marginal cost is less than $3.25.

D) total revenue is increasing.

正确答案是C，但是D到底错在哪里了？麻烦各位了，不胜感激~

作者: lzen5 时间: 2010-8-2 10:28

In perfect competition, MC=P, total revenue is an accounting term, has nothing to do with economics. you can increase total revenue but still making an economic loss whenMC

[此贴子已经被作者于2010-8-2 10:28:21编辑过]

作者: Luccifero 时间: 2010-8-2 10:44

Thanks very much~

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