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今天也要来一杯 · 2020年03月01日

问一道题:NO.PZ201909300100000305

* 问题详情,请 查看题干

问题如下:

5 Based on Exhibit 2, the allocation effect for South America is closest to:

选项:

A.

-0.04%

B.

0.03%

C.

0.20%

解释:

C is correct.

The allocation effect for South America is 0.20%.
Allocation = (wiWi)(BiB) = (20.38% – 18.82%)(35.26 – 22.67%) = 0.1964% = 0.20%

请问什么时候用 (wi – Wi)(Bi – B),什么时候用(wi – Wi) *B

1 个答案
已采纳答案

星星_品职助教 · 2020年03月01日

同学你好,

这个老师上课讲过,如果题目中强调了用Brinson Model,则优先用 (wi – Wi) *B,如果啥都没说,那么 (wi – Wi)(Bi – B)的可能性大,优先用这个。

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