Estimating and testing beta pricing models: Alternative methods and their performance in simulations |
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Authors: | Jay Shanken Guofu Zhou |
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Institution: | 1. Goizueta Business School, Emory University, 1300 Clifton Road, Atlanta, GA 30322, USA;2. Olin School of Business, Washington University, St. Louis, MO 63130, USA |
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Abstract: | We conduct a simulation analysis of the Fama and MacBeth1973. Risk, returns and equilibrium: empirical tests. Journal of Political Economy 71, 607–636.] two-pass procedure, as well as maximum likelihood (ML) and generalized method of moments estimators of cross-sectional expected return models. We also provide some new analytical results on computational issues, the relations between estimators, and asymptotic distributions under model misspecification. The generalized least squares estimator is often much more precise than the usual ordinary least squares (OLS) estimator, but it displays more bias as well. A “truncated” form of ML performs quite well overall in terms of bias and precision, but produces less reliable inferences than the OLS estimator. |
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Keywords: | G12 C21 |
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