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标题: [求助] CFA L1 Ecomonics 问题请教 [打印本页]

作者: Jalapeno4u 时间: 2008-6-4 07:42
标题: [求助] CFA L1 Ecomonics 问题请教

Schweser June 08 Exam 2 Afternoon

39. The law of diminishing marginal returns explains:

A. the shape of the long-run average cost curve.

B. the upward sloping portion of the short-run marginal cost curve.

C. the initial decrease in the short-run average costs.

D. the upward sloping portion of the long-run marginal cost curve.

B is the answer. Why?

作者: 遥远的绿洲 时间: 2008-6-6 19:00
MC curve is "U"shape , the "diminishing marginal return" rule can only explain the upward part of MC curve

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