A version of the capital asset pricing model derived by Robert Merton that includes extra-market sources of risk referred to as factors. Related: arbitrage pricing theory
Copyright © 2012, Campbell R. Harvey. All Rights Reserved.
A form of the capital asset pricing model that includes macroeconomic risks left out in other versions of the CAPM. These macroeconomic variables are called factors, and are included as the model calculates prices of portfolios. Proponents claim that the multifactor CAPM better accounts for systemic risks and fits data better, while critics contend that the model does not calculate the relative riskiness of each factor compared to other factors.
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