Business Intelligence

A Unifying Approach To The Empirical Evaluation Of Asset Pricing Models

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Executive Summary

Two main approaches are commonly used to empirically evaluate linear factor pricing models: regression and SDF methods, with centred and uncentred versions of the latter. The authors show that unlike standard two-step or iterated GMM procedures, single-step estimators such as continuously updated GMM yield numerically identical values for prices of risk, pricing errors, Jensen's alphas and over identifying restrictions tests irrespective of the model validity. Therefore, there is arguably a single approach regardless of the factors being traded or not, or the use of excess or gross returns. They illustrate the results by revisiting Lustig and Verdelhan's (2007).empirical analysis of currency returns.

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