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BGonline.org Forums
a bias in rollouts
Posted By: David Montgomery In Response To: a bias in rollouts (bob koca)
Date: Friday, 2 May 2008, at 9:01 p.m.
I'm not sure whether this has been pointed out before ... I think probably.
The same sort of thing is the basis for relatively new alternatives to index mutual funds. An S&P 500 index mutual fund allocates funds based on the valuation of the companies. You buy more of those companies that are overall more highly valued. But some companies are overvalued, and some undervalued, so this weighting ensures that you overweight companies that are too expensive, and underweight companies that are bargains.
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