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sasilia · 2021年03月13日

为什么不能用△Y/Y-α△T/T-（1-α）△L/L来求

  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

为什么不能用△Y/Y-α△T/T-（1-α）△L/L来求？即：第四列减去第二列和第三列的数字来求得capital deepening的增长率？

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1 个答案

丹丹_品职答疑助手 · 2021年03月13日

嗨，从没放弃的小努力你好：


同学你好，此处并没有给出alpha求解的可能性，且capital deepening =△k/k，其中k中包含了alpha请知悉

----------------------------------------------
虽然现在很辛苦，但努力过的感觉真的很好，加油！

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