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jay1180 · 2022年10月11日

This year, the real exchange rate has decreased by 2%. 这句话到底是USD还是CAD贬值2%

  1. CFA I
  2. Economics Analysis

NO.PZ2016010801000105

问题如下：

Last year, the nominal exchange rate for CAD/USD was 1.40. This year, the real exchange rate has decreased by 2%. Which of the following statement is most likely correct?

选项：

A.

One US dollar can exchange for more than 1.4 Canada dollars.

B.

There is a decrease of 2% in purchasing power of USD relative to CAD.

C.

Inflation in Canada is about 2% lower than that in USA.

解释：

B is correct. The real exchange rate is to assess changes in the relative purchasing power of one currency compared with another. The 2% decrease in real exchange rate indicates the 2% depreciation of USD compared to CAD.

考点：实际汇率

解析：实际汇率是用来评估一种货币相对于另一种货币的相对购买力的变化。实际汇率下降2%表明美元对加元贬值2%。所以B选项正确。

此时1单位美元换汇的加拿大的数目就少于1.4单位，A选项不正确。

C的说法不一定，所以也不入选。

因为题目没说是直接还是间接标价法啊，我咋判断是谁贬值了呢。。。。谢谢老师

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笛子_品职助教 · 2022年10月11日

嗨，爱思考的PZer你好：


因为题目没说是直接还是间接标价法啊，我咋判断是谁贬值了呢。。。。谢谢老师


Hello，亲爱的同学！我们是可以从标价方式看出来，是哪个货币贬值的。

题目中说，CAD/USD=1.40，这个汇率贬值了2%。


为了解这道题，有一个知识点同学需要补充一下：

/可以理解为per的含义，/后的货币是base currency，/前的货币是计价货币。

本题，CAD/USD下，USD为base currency，CAD为计价货币。含义是每个USD，兑换1.4个CAD。


贬值，是指base currency贬值，CAD/USD下，base currency是USD，所以呢，也就是USD贬值。


同学为了方便记忆，可以把base currency理解为苹果。

一开始，1个苹果，1.4加元。

后来这个汇率贬值了，1个苹果，1加元。

这两个价格对比，会发现，苹果贬值了。

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就算太阳没有迎着我们而来，我们正在朝着它而去，加油！

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