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小菜菜 · 2024年05月30日

请问老师,在case中没有特别说明的话,是默认给的spending rate数值是real return的概念吗?

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NO.PZ202301040900002201

问题如下:

(1) Discuss whether the current investment policy is appropriate given the Endowment’s annual spending policy.

选项:

解释:

Ÿ The policy is not appropriate.

Ÿ The expected real return of 3.54% is less than the spending policy rate of 6%.

Ÿ Therefore, the current allocation and investment objectives are not sustainable.

The nominal expected return on the current portfolio, according to the nominal return assumptions in Exhibit 1, is 6.04% per year (0.6 × 7.4% + 0.4 × 4.0% = 6.04%). The expected real return is approximately 3.54% (6.04% – 2.5% = 3.54%), which is below the 6% spending rate and the stated objective of a 6% real return. Therefore, this real return is not sufficient to meeting the spending policy, which makes the Endowment’s goals unsustainable. The Endowment will need to change its asset allocation to earn higher returns and/or lower its spending policy rate.

有两个问题想请教一下老师:

  1. case中给出了spending rate的数值,是否是默认给的spending rate是real return的概念吗?
  2. 对应在endowment的三种spending policy的计算方法,请问计算出的spending return也是real return的概念吗?
1 个答案
已采纳答案

lynn_品职助教 · 2024年06月01日

嗨,努力学习的PZer你好:


1、是real return,

因为Spending rate就是Real rate的概念。所以我们需要拿spending rate和Portfolio的Real return来比较。

现在的考纲删除了,实际在上一版的考纲中,我们会计算endowment的Required return(Nominal rate)。计算nominal rate就是以spending rate为起点的。

Nominal return = spending rate + inflation + expense

从公式可以看出,在spending rate的基础上,额外又加了inflation,所以spending rate自身就是real return。

这个内容了解即可,不属于现在的考纲,但是需要知道spending rate自己就是real return。


2、同学说的是Endowment有3个方法来确定自己该如何花钱:


第一种/Constant Growth rule;


第二种/Market value rule;


以及第三种Hybrid rule(前两种方式的混合体)




其中,如果当Endowment采用Market value rule来确定自己如何花钱时,缺点就是,顺周期性(Pro-cyclical),表现为:


当Endowment投资好的时候,Asset Market value高,于是Endowment自己的花费Spending(Payout)就高;


当Endowment投资差的时候,Asset Market value低,于是Endowment自己的花费Payout就低。




而constant growth rate就是比较稳定,Hybrid在两者中间。


这里是nominal,花钱考虑了购买力的

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努力的时光都是限量版,加油!

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