Risk and Return in an Equilibrium Apt: Application of a New Test Methodology
London School of Economics & Political Science (LSE) - Department of Accounting and Finance
Robert A. Korajczyk
Northwestern University - Kellogg School of Management
Journal of Financial Economics (JFE), Vol. 21, No. 2, 1988
We use an asymptotic principal Components technique to estimate pervasive factors influencing asset returns and to test the restrictions imposed by static and intertemporal equilibrium versions of the arbitrage pricing theory (APT) on a multivariate regression model. The empirical techniques allow for fairly arbitrary time variation in risk premiums. We find that the APT provides a better description of the expected returns on assets than the capital asset pricing model (CAPM). However, some statistically reliable mipricing of assets by the APT remains.
Number of Pages in PDF File: 64
Keywords: Asymptotic Principal Components, Arbitrage Pricing Theory, APT, Asset Pricing Model
JEL Classification: G1, G12
Date posted: August 27, 2011
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