Industry-Specific Human Capital, Idiosyncratic Risk and the Cross-Section of Expected Stock Returns
University of Toronto - Joseph L. Rotman School of Management
Journal of Finance forthcoming
Human capital is one of the largest assets in the economy and in theory it may play an important role for asset pricing. Human capital is heterogeneous across investors and one source of heterogeneity is industry affiliation. I show that the cross-section of expected stock returns is primarily affected by industry-level rather than aggregate labor income risk. Furthermore, when human capital is excluded from the asset pricing model, the resulting idiosyncratic risk may appear to be priced. I find that the premium for idiosyncratic risk documented by several empirical studies depends on the covariance between stock and human capital returns.
Number of Pages in PDF File: 73
Keywords: Industry-specific human capital, nontradable assets, idiosyncratic volatility, cross-section of expected stock returns
JEL Classification: G11, G12
Date posted: March 6, 2008 ; Last revised: December 13, 2011
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