A为什么不对？

NO.PZ2016010801000126

问题如下：

Which of the following statements about devaluation of a country's currency is correct?

选项：

devaluation of currency narrows trade deficit when imports are less than exports.

devaluation of currency narrows trade deficit if the price elasticity of import demand is larger than one.

devaluation of currency narrows trade deficit when investment increases in comparison to private and government savings.

解释：

B is correct.

The elasticities approach suggests that the export and import with more elasticity is most likely to narrow the trade deficit in terms of currency devaluation.

考点：elasticities approach

解析：弹性理论认为，具有更大弹性的进出口贸易最有可能在货币贬值的情况下缩小贸易逆差。B选项正确，AC都是打酱油的选项。

A为什么不对？

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笛子_品职助教 · 2022年04月04日

嗨，爱思考的PZer你好：

devaluation of currency narrows trade deficit when imports are less than exports.

意思是，贬值会减少贸易逆差，当进口小于出口。这句话不对。

因为当进口小于出口的时候，是贸易顺差，所以不存在贸易逆差，也就不存在减少贸易逆差的说法。

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A为什么不对？

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