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兔小兔 · 2019年03月04日

问一道题:NO.PZ2018091706000020

问题如下图:

    

选项:

A.

B.

C.

解释:


这题应该考虑的是第几种变形,一般怎么区分。我选择的第二种。

1 个答案

源_品职助教 · 2019年03月05日

这题用到的结论不是直接由柯布道格拉斯生产函数推导住经济增长率的两个主要变形。

那两个变形中,如果题目没有直接给出α,则用第二类变形。

本题是咋呢么讲义上的结论。推导是Y/L=TK^αL(-α)=T(K/L)^α, 即y=Tk^α。由此可知小y之和技术进步T与人均资本k有关。

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