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李灰灰 · 2020年01月11日

问一道题:NO.PZ2018091706000020 [ CFA II ]

问题如下图:何老师没有提到这个公式的变形

选项:

A.

B.

C.

解释:

2 个答案

george · 2020年02月26日

由于:y=T*k^a 等式两边取对数:lny=ln(T*k^a) 即:lny=lnT+alnk等式两边取全微分:1/ydy=1/TdT+a*1/kdk 即:dy/y=dT/T+a*dk/k 也就是:劳动生产率增长率=全要素生产率增长率+a*资本深化增长率。a可以约等于1?

源_品职助教 · 2020年01月15日

嗨,努力学习的PZer你好:


同学,请看下下图讲义

解析中的公式就是讲义中红框处的文字的数学表达。


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


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