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230965 · 2017年08月29日

问一道题：NO.PZ2016010802000206 [ CFA I ]

  1. CFA I
  2. Microeconomic
问题如下图：
选项：
A.
B.
C.
疑问，我怎么算都是选C。不知道我哪个概念理解有误
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1 个答案

源_品职助教 · 2017年08月29日

题目说的是base currency较price currency升值8%后的标价为1.45

如果按照你的算法结果，那应该是price currency较base currency升值8%后的标价为1.45

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NO.PZ2016010802000206 问题如下 exchange rate between two currencies hincreaseto 1.4500. If the base currenhappreciate8% against the pricurrency, the initiexchange rate between the two currencies wclosest to: A.1.3340. B.1.3426. C.1.5660. is correct.The percentage appreciation of the base currenccalculateving the appreciateexchange rate the initiexchange rate. In this case, the unknown is the initiexchange rate. The initiexchange is the value of X thsatisfies the formula:1.4500/X = 1.08Solving for X lea to 1.45/1.08 = 1.3426.考点 Percentage Change in A Currency解析:1.4500/初始汇率= 1.08.初始汇率= 1.45/1.08 = 1.3426 一开始的汇率 a/b0b appreciate -- 1.08b0所以1.45 = a/(b0*1.08)求一开始的汇率比应该是1.45*1.08么？

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NO.PZ2016010802000206 问题如下 exchange rate between two currencies hincreaseto 1.4500. If the base currenhappreciate8% against the pricurrency, the initiexchange rate between the two currencies wclosest to: A.1.3340. B.1.3426. C.1.5660. is correct.The percentage appreciation of the base currenccalculateving the appreciateexchange rate the initiexchange rate. In this case, the unknown is the initiexchange rate. The initiexchange is the value of X thsatisfies the formula:1.4500/X = 1.08Solving for X lea to 1.45/1.08 = 1.3426.考点 Percentage Change in A Currency解析:1.4500/初始汇率= 1.08.初始汇率= 1.45/1.08 = 1.3426 看了眼答案，为什么默认是1.45A/B，而不是A/B=1.45，这两种表达方式针对base currency算出来的结果完全不一样

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