NO.PZ2018091706000014
问题如下:
Which of the following factors is most effective to improve labor productivity of developed country?
选项:
A.Capital deepening.
Technology.
C.Labor force.
解释:
B is correct.
考点:道格拉斯生产函数的变形公式。
解析:这道题考察的公式是y=T*(k)^α。人均资本是有边际生产率递减的特点。也就是初期是增加的,后期是递减的,所以对于发达国家,k(资本深化)已经很高的,只能依靠T(技术)进步来提升y。
如果题目问developing country应该选哪一个