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karweillas · 2024年08月11日

关于资本深化

NO.PZ2023041102000035

问题如下:

Using the specified growth accounting equation, which is the most appropriate conclusion Birol can make from his data on trends in the economy?

Exhibit 1Long-Term Trends of Daltonian Economy

选项:

A.GDP growth is primarily driven by labor. B.Daltonia’s economy is performing at a steady state rate of growth. C.Output per worker is falling.

解释:

The components of growth can be determined using Solow’s growth accounting equation: ΔY/Y = ΔA/A + αΔK/K + (1 − α)ΔL/L

TFP = Labor productivity growth – Growth in capital deepening = 1.7 – 2.3 = –0.6, which is given in Exhibit 1. Also given, 1 – α = 0.65 and α = 0.35

生长的成分可以用索洛生长核算方程来确定:ΔY/Y = ΔA/A + αΔK/K +(1−α)ΔL/L

TFP =劳动生产率增长-资本深化增长= 1.7 - 2.3 = - 0.6,如图1所示。还给出了1 - α = 0.65和α = 0.35

具体计算过程请参考上表。

这是之前上课讲的公式:△y/y=△T/T + capital deepening%


本题需要计算:△y/y=△T/T + α(△k/k)


那么capital deepening%就是α(△k/k)吗?


我看另外的一个解答中说capital deepening%指(△k/k),如果是这样,那怎么计算TFP结果不用乘以α?

1 个答案
已采纳答案

笛子_品职助教 · 2024年08月12日

嗨,爱思考的PZer你好:


我看另外的一个解答中说capital deepening%指(△k/k),如果是这样,那怎么计算TFP结果不用乘以α?

Hello,亲爱的同学~

资本深化是小写的k。小写的k是指人均,不需要乘以α。

如果是大写的K,是指总的资本,需要乘以α。


因此才有本题的公式:


以及:

TFP =劳动生产率增长-资本深化增长= 1.7 - 2.3 = - 0.6


TFP的这个计算,原版书没有明文写,同学可以通过这道题补充记忆一下。




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