Semi-strong Factors in Asset Returns
51 Pages Posted: 15 Jul 2019 Last revised: 21 Nov 2019
Date Written: November 19, 2019
Abstract
We refine the approximate factor model of asset returns by distinguishing between natural rate factors, whose sum of squared factor betas grow at the same rate as the number of assets, and semi-strong factors, whose sum of squared factor betas grow to infinity, but at a slower rate. We characterize cross-sectional mean and mean-square of semi-strong factor betas, and differentiate them from natural rate factors. We apply the methodology to daily equity to characterize factors at natural rate, semi-strong, or weak.
Keywords: Semi-strong factors, Factor model
JEL Classification: G11, G12, C38
Suggested Citation: Suggested Citation
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