Wyyyyyj · 2024年04月23日
NO.PZ2023071902000093
问题如下：
Question Inflation rates rise by 1.4% in the US and by 4.6% in the Eurozone. If
the nominal spot exchange rate for the USD/EUR falls by 3%, the precise shift in the real exchange rate is
nearest to:
选项：
A.0%. B.5%. C.9%.解释：
Solution
The adjustment in the real exchange rate can be formulated as:
（1-3%）*（1+4.6%）/(1+1.4%) -1 =0.000611≈0
•
实际汇率的调整可表示为:
(1-3%)*(1+4.6%)/(1+1.4%) -1 =0.000611≈0
公式为什么前面是1-3%后面还要减去1
笛子_品职助教 · 2024年04月24日
嗨，从没放弃的小努力你好：
公式为什么前面是1-3%后面还要减去1
Hello，亲爱的同学~
我们这里需要先了解一个知识点： real exchange rate 变动率的计算。
根据此公式，我们可以推理出变动率的公式。
（1+ FX real 变动率）= （1+ FX mominal 变动率）*（1+ base curency CPI 变动率） / (1+ price currency CPI 变动率）
可得：
FX real 变动率
= （1+ FX mominal 变动率）*（1+ base curency CPI 变动率） / (1+ price currency CPI 变动率） -1
这个公式需要同学掌握并记忆下来，是知识点，经常会考的。
在掌握以上知识点的基础上，我们再看本题：
本题的汇率形式为：USD/EUR。
USD/EUR的名义变动为-3%（fall by 3%）
EUR作为base currency，EUR的CPI为4.6%
USD作为price currency，USD的CPI为1.4%。
FX real 变动率
= （1+ FX mominal 变动率）*（1+ base curency CPI 变动率） / (1+ price currency CPI 变动率） -1
=(1-3%)*(1+4.6%)/(1+1.4%) -1
=0.000611≈0
----------------------------------------------努力的时光都是限量版，加油！
NO.PZ2023071902000093问题如下 Question Inflation rates rise 1.4% in the US an4.6% in the Eurozone. If the nominspot exchange rate for the USEUR falls 3%, the precise shift in the reexchange rate is nearest to: A.0%.B.5%.C.9%. Solution The austment in the reexchange rate cformulateas: （1-3%）*（1+4.6%）/(1+1.4%) -1 =0.000611≈0The Foreign Exchange Market anCapitFlows• 实际汇率的调整可表示为:(1-3%)*(1+4.6%)/(1+1.4%) -1 =0.000611≈0 看不懂推导，麻烦一下
NO.PZ2023071902000093问题如下 Question Inflation rates rise 1.4% in the US an4.6% in the Eurozone. If the nominspot exchange rate for the USEUR falls 3%, the precise shift in the reexchange rate is nearest to: A.0%.B.5%.C.9%. Solution The austment in the reexchange rate cformulateas: （1-3%）*（1+4.6%）/(1+1.4%) -1 =0.000611≈0The Foreign Exchange Market anCapitFlows• 实际汇率的调整可表示为:(1-3%)*(1+4.6%)/(1+1.4%) -1 =0.000611≈0 可以用变化率直接计算吗？-3%+4.6%-1.4%=0.002？
NO.PZ2023071902000093问题如下 Question Inflation rates rise 1.4% in the US an4.6% in the Eurozone. If the nominspot exchange rate for the USEUR falls 3%, the precise shift in the reexchange rate is nearest to: A.0%.B.5%.C.9%. Solution The austment in the reexchange rate cformulateas: (1-3%)(1+1.4%)/(1+4.6%)≈0The Foreign Exchange Market anCapitFlows• 解題的算式得出0.94 為什麼答案會是0
