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ypshen · 2022年07月15日

这道题中解析部分关于公示没看董,这个S、F 和P分别代表是什么

NO.PZ2018062003000200

问题如下:

When the real exchange rate( assuming domestic currency is price currency and foreign currency is base currency) increased, which of the followings is most likely to be associated with an decrease?

选项:

A.

Nominal exchange rate.

B.

Domestic price level.

C.

Foreign price level.

解释:

B is correct.

The formula of real exchange rate is :

Real exchange rate (d/f) =Sd/f×(Pf/Pd){}_{(d/f)\text{ }}=S_d/f\times(P_f/P_d)

An decrease in the domestic price level increases the real exchange rate because it implies an decrease in the purchasing power of the domestic currency compared to foreign currency.

考点: exchange rate

解析: Real exchange rate (d/f) =Sd/f×(Pf/Pd){}_{(d/f)\text{ }}=S_d/f\times(P_f/P_d)

根据上述公式,较高的Nominal exchange rate,较高的Foreign price level,以及较低的Domestic price level会产生较高的Real exchange rate


另外视频讲解中没有说base currency和price currency的概念,这个请帮忙解释下概念

1 个答案

笛子_品职助教 · 2022年07月15日

嗨,爱思考的PZer你好:


本题考查的是强化讲义44页,关于实际汇率的计算公式:


这里的S指的是名义汇率,也就是公式里的FX nominal

这里的d是指本国,f是指外国

这里的P是指物价水平,也就是公式里的CPI。


汇率表达方式X/Y,斜杠后面的Y,就是base currency,斜杠前面的X,就是计价货币。/可以理解为每一个的意思(Per)

为了方便记忆,base currency可以理解为苹果,比如,1个苹果2人民币。会写成,2人民币/苹果。斜杠后的苹果就是base,斜杠前的人民币就是计价。

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