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lipw34 · 2024年02月03日

Goal 2 计算器按法?

Mike and Kerry Armstrong are a married couple who recently retired with total assets of $8 million. The Armstrongs meet with their financial advisor, Brent Abbott, to discuss three of their financial goals during their retirement.

  • Goal 1: An 85% chance of purchasing a vacation home for $5 million in five years.
  • Goal 2: A 99% chance of being able to maintain their current annual expenditures of $100,000 for the next 10 years, assuming annual inflation of 3% from Year 2 onward.
  • Goal 3: A 75% chance of being able to donate $10 million to charitable foundations in 25 years.

Abbott suggests using a goals-based approach to construct a portfolio. He develops a set of sub-portfolio modules, presented in Exhibit 1. Abbott suggests investing any excess capital in Module A.





计算器怎么算呀?

BGN模式下:N = 10, FV = 0, PMT = 0.1, I/Y = (1+2.2%)/(1+3%)-1 = -0.78

CPT PV = -1.04 之后得出数字再除1.022%?

lipw34 · 2024年02月03日

assuming annual inflation of 3% from Year 2 onward. 这种通常怎么处理?

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lynn_品职助教 · 2024年02月03日

嗨,从没放弃的小努力你好:



计算器怎么算呀?

BGN模式下:N = 10, FV = 0, PMT = 0.1, I/Y = (1+2.2%)/(1+3%)-1 = -0.78

CPT PV = -1.04 之后得出数字再除1.022%?


assuming annual inflation of 3% from Year 2 onward. 这种通常怎么处理?


对,就是同学这种算法,这类型的题目都看这一道就可以了


goal 2 的现金流是发生在期末的,因为通胀从第二年开始,导致上下的幂不一致,我们提出来一个1/(1+r),是为了保持一致,这样才符合使用年金的条件。

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虽然现在很辛苦,但努力过的感觉真的很好,加油!

hyi725 · 2024年06月21日

没明白为什么算术部分公式要那么麻烦,直接 1.022/1.03-1=-0.78=1/Y不可以吗?

hyi725 · 2024年06月21日

这道题不用BGN模式也可以做吧? 参考https://class.pzacademy.com/qa/45320

lynn_品职助教 · 2024年06月22日

嗨,从没放弃的小努力你好:


没明白为什么算术部分公式要那么麻烦,直接 1.022/1.03-1=-0.78=1/Y不可以吗?



可以啊,同学只要把现金流的时间弄清楚就可以的,计算只是一些技巧而已,掌握了现金流的方法就好啦

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加油吧,让我们一起遇见更好的自己!

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