Mean-semivariance behavior (II): The D-CAPM
AbstractFor over 30 years academics and practitioners have been debating the merits of the CAPM. One of the characteristics of this model is that it measures risk by beta, which follows from an equilibrium in which investors display mean-variance behavior. In that framework, risk is assessed by the variance of returns, a questionable and restrictive measure of risk. The semivariance of returns is a more plausible measure of risk and can be used to generate an alternative behavioral hypothesis (mean-semivariance behavior), an alternative measure of risk for diversified investors (the downside beta), and an alternative pricing model (the D-CAPM). The empirical evidence discussed in this article for the entire MSCI database of developed and emerging markets clearly supports the downside beta and the D-CAPM over beta and the CAPM.
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Bibliographic InfoPaper provided by IESE Business School in its series IESE Research Papers with number D/493.
Length: 20 pages
Date of creation: 25 Feb 2003
Date of revision:
downside risk; semideviation; asset pricing;
Find related papers by JEL classification:
- G12 - Financial Economics - - General Financial Markets - - - Asset Pricing; Trading Volume; Bond Interest Rates
This paper has been announced in the following NEP Reports:
- NEP-ALL-2003-04-02 (All new papers)
- NEP-CFN-2003-04-02 (Corporate Finance)
- NEP-FIN-2003-04-02 (Finance)
- NEP-FMK-2003-04-02 (Financial Markets)
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