Chapter 5 Theory and empirical testing of asset pricing models

Publisher Summary This chapter reviews the main asset-pricing theories in finance and discusses combining the models by using a simple, unifying framework. The models are viewed as special cases of a canonical pricing equation. The canonical expression provides simple testable restrictions on the models. It can also be estimated and tested directly once the form of the pricing variable, implied by a particular model, is specified. The generalized method of moments provides a unifying econometric framework for discussing recent advances in formulating and testing asset-pricing models. This chapter focuses on models in which expected returns and measures of risk are conditioned on, and may vary with economic information. Understanding the role of conditioning information in asset-pricing models represents one of the greatest challenges and opportunities for asset-pricing research, both theoretical and empirical.

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