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颖 · 2022年11月09日

回答角度问题

NO.PZ2020012102000011

问题如下:

Fap is a small country whose currency is the Fip. Three years ago, the exchange rate was considered to be reflecting purchasing power parity (PPP). Since then, the country’s inflation has exceeded inflation in the other countries by about 5% per annum. The Fip exchange rate, however, remained broadly unchanged.

What would you have expected the Fip exchange rate to show if PPP prevailed? Are Fips over or undervalued, according to PPP?

解释:

According to PPP, to offset the effect of the higher inflation in Fap, the Fip should have depreciated against the other currencies by approximately the difference between Fap inflation and that in the other countries. According to PPP, Fip is overvalued.

解析:根据购买力平价理论,为了抵消Fap中较高的通货膨胀的影响,Fip应该对其他货币贬值大约是Fap通货膨胀与其他国家之间的差额。根据购买力平价理论,Fip被高估了。

如果我回答按照ppp,外国通胀升高,(s1-s0)/s0减少,即s1降低,本币会升值,但现在没升值所以overvalued,这么回答可以吗?答案里那种为了offset…的角度我第一反应不会从那个角度考虑

1 个答案

源_品职助教 · 2022年11月10日

嗨,努力学习的PZer你好:


我觉得同学这么回答也是可以的,因为你也写了依照PPP,结论也是被高估。论据和结论都是正确的。

所以OFFSET有没有个人觉得没有关系。

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