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Journal of Financial and Quantitative Analysis Vol. 22 No. 2 1987

A Mean-Variance Derivation of a Multi-Factor Equilibrium Model

Michael C Ehrhardt

Abstract

The primary objective of this paper is to derive a multi-factor equilibrium model using a mean-variance approach. The results of this derivation provide greater insight into the nature of the resulting factors than does APT. There are several important implications for empirical tests of any a priori defined multi-factor model.

DOI
10.2307/2330714
Volume
22
Issue
2
Pages
227
Sources
crossref openalex

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