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kgylldy · 2019年03月09日

问一道题:NO.PZ2018091706000020 [ CFA II ]

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。

为什么计算时不考虑a?这个结论在讲义哪里出现?

问题如下图:

选项:

A.

B.

C.

解释:

1 个答案

源_品职助教 · 2019年03月13日

y=Tk^α

在上述等式中,α位于指数位置,意义在于决定k在等式中绝对值大小(即k的贡献率)。

所以这个等式中,起决定作用因素的只有技术进步T以及人均资本k这两项。

这个等式的意义在于,人均产出两个重要因素是技术进步T人均资本k,所以人均产出的增长也与这两项相关。结论出现在讲义P106

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