Guofu Zhou

Professor Guofu Zhou
Olin School of Business
Washington University
1 Brookings Dr.
St. Louis, MO 63130

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Institutional Affiliation: Washington University

NBER Working Papers and Publications

February 2006Estimating and Testing Beta Pricing Models: Alternative Methods and their Performance in Simulations
with Jay Shanken: w12055
In this paper, we conduct a simulation analysis of the Fama and MacBeth (1973) 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 GLS estimator is often much more precise than the usual 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.

Published: Shanken, Jay and Guofu Zhou. “Estimating and Testing Beta Pricing Models: Alternative Methods and Their Performance in Simulations.” Journal of Financial Economics 84, 1 (April 2007): 40-86. citation courtesy of

February 1994What Determines Expected International Asset Returns?
with Campbell R. Harvey, Bruno Solnik: w4660
This paper characterizes the forces that determine time-variation in expected international asset returns. We offer a number of innovations. By using the latent factor technique, we do not have to prespecify the sources of risk. We solve for the latent premiums and characterize their time-variation. We find evidence that the first factor premium resembles the expected return on the world market portfolio. However, the inclusion of this premium alone is not sufficient to explain the conditional variation in the returns. We find evidence of a second factor premium which is related to foreign exchange risk. Our sample includes new data on both international industry portfolios and international fixed income portfolios. We find that the two latent factor model performs better in explai...

Published: Harvey, Campbell R., Bruno Solnik, and Guofu Zhou. "What Determines Expected International Asset Returns?" Annals of Economics and Finance 3 (2002): 249-298. citation courtesy of

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