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prashantsahni

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tT
发表于 2013-4-8 20:56 | 只看该作者

Multiplicative vs. additive method for IPS

difference, method, points, really
What is the CFA preferred method? Does it really not make a difference which method is used, or do you get extra points for using one or the other?
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studyn

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5#
发表于 2013-4-8 20:58 | 只看该作者
either one of them is ok, but they recommend using multiplicative approach especially for calculating return for Foundations (to account for the impact of costs and inflation for long time horizons).

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Unforseen

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4#
发表于 2013-4-8 20:57 | 只看该作者
CFAI says either is ok. I always used multiplicative just to be safe because it’s more precise. Just pick a method and stick with it.

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mamuka12

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3#
发表于 2013-4-8 20:57 | 只看该作者
(1+Spending)(1+inflation)(1+fee)-1 is the best measure of After tax return requirement.

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kseniaru

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2#
发表于 2013-4-8 20:57 | 只看该作者
It doesn’t make a difference.

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