[求助] CFA L1 Quantitative Methods 问题请教

Jalapeno4u

Schweser June 08 Exam 2 Morning

23. An analyst observes the following four annual returns: R1=+10%, R2= -15%, R3=0%, and R4=+5%. The equivalent compound annual rate is:

A. -5.0%

B. -0.5%

C. 0.0%

D. 7.4%

Why is the answer B?  How to calculate it?

[此贴子已经被作者于2008-6-2 6:13:30编辑过]

Emily915

(1+R1)(1+R2)(1+R3)(1+R4)开四次方

Jalapeno4u

Thank you so much, Emily915.

MissNewMe

开了4次方还要再减去 1 才是对的~~ 几何平均数~

notes: book1 P.169

Jalapeno4u

以下是引用MissNewMe在2008-6-4 7:46:00的发言：

开了4次方还要再减去 1 才是对的~~ 几何平均数~

notes: book1 P.169

Yeah. Right. Thanks!