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努力旋转的陀螺 · 2022年11月17日

不理解B选项错误原因

NO.PZ2016010802000219

问题如下:

A country with a persistent trade surplus is being pressured to let its currency appreciate. Which of the following best describes the adjustment that must occur if currency appreciation is to be effective in reducing the trade surplus?

选项:

A.

Domestic investment must decline relative to saving.

B.

Foreigners must increase investment relative to saving.

C.

Global capital flows must shift toward the domestic market.

解释:

C is correct.

The trade surplus cannot decline unless the capital account deficit also declines. Regardless of the mix of assets bought and sold, foreigners must buy more assets from (or sell fewer assets to) domestic issuers/investors.

考点:The Trade Balance

解析:经常性账户和资本账户是此消彼长的两个账户。

经常账户与资本平衡。经常性账户盈余的消失那么资本账户赤字也必须消失,这就代表外资流入。C选项正确。

依据公式(X-M)=(S-I)+(T-G)。

投资I减小,等式右边变大,左边也会相应变大,经常性账户盈余还会增加,A选项错误。

外国人要增加对于经常性账户赤字出口国的投资才行。外国人只投资自己国家不解决问题,所以B选项错误。

外国人要增加对于经常性账户赤字出口国的投资才行。外国人只投资自己国家不解决问题,所以B选项错误。

出口国:经常性账户赤字=资本账户盈余,外国人增加了对出口国的投资,相当于资本账户盈余增加,经常性账户赤字更大了,也可以说经常性账户盈余更小了,这个理解哪里出错了呢?

1 个答案
已采纳答案

笛子_品职助教 · 2022年11月17日

嗨,从没放弃的小努力你好:


不理解B选项错误原因

Hello,亲爱的同学!

Foreigners must increase investment relative to saving.

B选项说的是,外国人增加投资。这里是指外国人投资在他们自己的国家。


举个例子,本国是中国,外国是美国。B选项里的Foreigners must increase investment relative to saving.意思就是,

美国人增加在美国的投资。

而不是美国人增加在中国的投资。


我们的公式中:

(X-M)=(S-I)+(T-G)。

这里的S和I,都是指对本国的投资。所以B选项的说法是和这个公式没关系的,我们在这里并不考虑外国人对他们自己国家的投资和储蓄。


还是以上的例子:

美国人,在美国的储蓄和投资,并不影响中国的经常账户。


所以B不对的。


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