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丁洁Amy · 2021年07月30日

求出来的“growth rate of capital deepening”不需要再除以growth rate of labor productivity求出一个比例来吗？

  1. CFA II
  2. Economics Analysis

NO.PZ2018091706000020

问题如下：

Economic data of a country is showed below:

According to the economic data, which of the three counties most likely rely on the capital deepening?

选项：

A.

Country X.

B.

Country Y.

C.

Country Z.

解释：

A is correct.

考点：Cobb-Douglas production function 的变形公式

解析：先写出变形公式：

Growth rate of labor productivity= Growth rate of TFP+ Growth rate of capital deepening（假设劳动力恒定不变）

capital deepening%=△y/y-△T/T

X=2.6-0.8=1.8

Y=1.8-1=0.8

Z=1-(-0.1) =1.1

老师好，


这道题我看到是用了Growth rate of labor productivity = growth rate of TFP + growth rate of Capital Deepening

当我们求出 growth rate of Capital Deepening后，不需要再除以growth rate of labor productivity求出一个比例来吗？

因为每个国家大小都不一样，如果只是这样减出来得到的growth rate of Capital Deepening来比较，会不会scale不一样呢？

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1 个答案

丹丹_品职答疑助手 · 2021年07月30日

嗨，从没放弃的小努力你好：


同学你好，本身经济的发展就不是一个完全公平的赛道，资源优秀本身就是发展的良好条件，针对这个公式本身是对劳动人口进行了一个除，可以默认为scale的影响也被剔除。

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加油吧，让我们一起遇见更好的自己！

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