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吴超 Cassie · 2022年06月26日

没看懂解析

NO.PZ2016010802000157

问题如下:

A country that maintains a target exchange rate is most likely to have which outcome when its inflation rate rises above the level of the inflation rate in the target country?

选项:

A.

An increase in short-term interest rates.

B.

An increase in the domestic money supply.

C.

An increase in its foreign currency reserves.

解释:

A is correct.

Interest rates are expected to rise to protect the exchange rate target.

本国通胀上涨超过了目标国会导致本国的汇率上升。通胀上升会导致本国货币贬值,为了保证本国货币不贬值,必须实施一个紧缩的货币政策。

A选项提高短期利率入选。

B选项增加货币供给是一个扩张的货币政策,利率下降,不入选。

C选项增加外汇储备和本题无关。不入选。

我的理解是本国通胀高于目标国,那么本国物价上涨的更快,物价上涨,对于货币的需求增加,interest rate上升,所以选的A,不知道这样理解对不对。

另外利率上升,在外汇市场对本币需求上升,本国货币升值,为什么是贬值呢?

1 个答案

笛子_品职助教 · 2022年06月27日

嗨,爱思考的PZer你好:


通胀是一种risk premium,通胀高了,根据以下公式,货币会贬值。

提高利率会促使本币升值。这个国家采取的是target exchange rate,为了避免因为通胀过高引起的货币贬值,需要提高利率让货币升值。高通胀引起的货币贬值和提高利率引起的货币升值,相互抵消,从而保持target exchange rate


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