问一道题：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：

Country X.

Country Y.

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

老师请问下这题答案里面的公式是不是就是106页文字描述的简单表示，而不是用我们推出来的那个一个公式Y=T*^a，是不是因为题目也没有告诉我们具体的阿尔法，所以我们就用简单的相加的公式表述这个意思计算即可？

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源_品职助教 · 2019年12月16日

嗨，从没放弃的小努力你好：

还根据文字中的描述解答，你的理解。

如果题目给了阿尔法，也不能用你写的公式。因为你写的是用来计算总产出Y,而非人均产出y

-------------------------------
努力的时光都是限量版，加油！

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问一道题：NO.PZ2018091706000020

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