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司聪 · 2021年04月29日

不知道是不是计算过程错啦，算的不太一样

  1. CFA I
  2. Quantitative

NO.PZ2018062016000011

问题如下：

To increase current investment value of $25,000 to $35,000 in 5 years, which will be the most appropriate below?

选项：

A.

deposit in the account that stated annual rate of 6.55% and compounded continuously

B.

deposit in the account that stated annual rate of 7% and compounded monthly

C.

deposit in the account that stated annual rate of 6.79% and compounded quarterly

解释：

C is correct. $25,000(1+r/4)4*5=$35,000, r=6.79%.

month=(1+6.96%/12)12次方-1=7.2%

quarter=(1+6.96%/4)4次方-1=7.14%

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星星_品职助教 · 2021年04月30日

同学你好，

6.96%是EAR的概念，EAR不能再除以计息频率，需要通过除以计息频率做调整的是stated annual rate。

所以你的两个步骤修正如下：

month的情况：(1+7%/12)12次方-1=7.23%

quarte的情况：(1+6.79%/4)4次方-1=6.96%

可以看出来quarte的情况算出来的EAR正好和题干中“$25,000 to $35,000 in 5 years”得到的EAR一样。所以选择C选项。

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NO.PZ2018062016000011 问题如下 To increase current investment value of $25,000 to $35,000 in 5 years, whiwill the most appropriate below? A.posit in the account thstateannurate of 6.55% ancompouncontinuously B.posit in the account thstateannurate of 7% ancompounmonthly C.posit in the account thstateannurate of 6.79% ancompounquarterly C is correct. $25,000(1+r/4)4*5=$35,000, r=6.79%. 选B，FV为35440.63 35000，收益更高，所以为什么不选B呢，问题问的是最合适的方式。

2022-10-17 21:49 1 · 回答

NO.PZ2018062016000011 问题如下 To increase current investment value of $25,000 to $35,000 in 5 years, whiwill the most appropriate below? A.posit in the account thstateannurate of 6.55% ancompouncontinuously B.posit in the account thstateannurate of 7% ancompounmonthly C.posit in the account thstateannurate of 6.79% ancompounquarterly C is correct. $25,000(1+r/4)4*5=$35,000, r=6.79%. 如果复利连续计算，用对数算的话，是不是这么算呢？35/25=e的R次方，R=ln(35/25)。

2022-04-25 13:46 1 · 回答

NO.PZ2018062016000011 posit in the account thstateannurate of 7% ancompounmonthly posit in the account thstateannurate of 6.79% ancompounquarterly C is correct. $25,000(1+r/4)4*5=$35,000, r=6.79%.为什么要算成季度？不是年么？

2021-02-25 10:21 2 · 回答

NO.PZ2018062016000011 posit in the account thstateannurate of 7% ancompounmonthly posit in the account thstateannurate of 6.79% ancompounquarterly C is correct. $25,000(1+r/4)4*5=$35,000, r=6.79%.怎么理解这道题用的这个公式呢 谢谢

2021-02-12 13:38 1 · 回答