Positive Portfolio Factors
AbstractWe use an iterative relocation algorithm to identify factors in common stock returns. The benefit of the approach is that factors are portfolios of assets with non-negative weights. As a result, they are readily interpreted in terms of their characteristics of the underlying securities. The positive portfolio factors have comparatively high explanatory power in sample and out-of-sample. We find evidence of a size factor and factors identified with certain industries. Factors extracted from the mutual fund universe perform marginally better than factors from the universe of equities.
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Bibliographic InfoPaper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 6412.
Date of creation: Feb 1998
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Other versions of this item:
- Stephen Brown & William Goetzmann & Mark Grinblatt, 1998. "Positive Portfolio Factors," Yale School of Management Working Papers ysm87, Yale School of Management, revised 01 Apr 2008.
- Stephen J. Brown & William N. Goetzmann & Mark Grinblatt, 2004. "Positive Portfolio Factors," Yale School of Management Working Papers ysm27, Yale School of Management.
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