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Diana · 2024年05月12日

Brazil更愿意import technology这个不是endogenuous推崇的吗?

NO.PZ2023041102000041

问题如下:

Tremblay provides two justifications for adding Brazilian stocks rather than Ecuadoran stocks to her portfolio. She believes:

Brazil is sufficiently developed to be considered part of the group of developed nations but Ecuador is not. Investing in countries with lower per capita incomes that are members of the developed nations group should, over long periods of time, provide a higher rate of return than investing in countries with higher per capita income. Brazil is more open than Ecuador is to importing technology from advanced countries.

Tremblay's justifications for preferring Brazilian stocks to Ecuadoran stocks are most consistent with which economic growth model?

选项:

A.Neoclassical B.Endogenous C.Classical

解释:

Tremblay's first justification describes "club convergence." Her second justification describes a second source of convergence–imitating or adopting technology already widely used in the advanced countries. Convergence is consistent with the neoclassical growth model.

特伦布雷的第一个理由是“俱乐部趋同”。她的第二个理由描述了趋同的第二个来源——模仿或采用已经在发达国家广泛使用的技术。收敛与新古典增长模型是一致的。

Brazil更愿意import technology这个不是endogenuous推崇的吗?根据neoclassical,反正技术进步是类似于“神迹”那么import不import对于neoclassical来说不就不重要吗?

1 个答案

笛子_品职助教 · 2024年05月13日

嗨,努力学习的PZer你好:


Brazil更愿意import technology这个不是endogenuous推崇的吗?

Hello,亲爱的同学的~

这里先看一下关于新古典和内生,在收敛性上的知识点。

人均收入(per capita income)趋同,是新古典模型观点,并不是Endogenous观点。



在以上知识点的基础上,我们再看本题。


本题说投资人均收入低的国家,投资回报率更高。

这正是收敛理论。

而收敛理论是新古典的观点。


其次,同学说巴西推崇技术。但我们看这个技术,是引进发达国家的技术,而不是巴西自己的原创技术。

引进发达国家技术,才能收敛。这同样的新古典理论。


根据neoclassical,反正技术进步是类似于“神迹”那么import不import对于neoclassical来说不就不重要吗?

引进技术,才能收敛人均收入,因此还是重要的。

同学注意:

新古典认为技术偶然发生,这是指技术研发国,先进国。这里的技术,是指研发新科技。研发新科技是偶然发生的。

内生里的技术,也是研发新科技。内生认为,投资可以促进新科技的产生。

而同学所说的引进科技,这不是新科技,这是已经有的技术。引入已经有的技术,并不涉及到技术是偶然,还是投资产生的问题。新科技才讨论这个问题。


这道题的解题关键是:两个流派对于收敛性观点的分歧。



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