Investigating ICAPM with Dynamic Conditional Correlations

61 Pages Posted: 4 Feb 2008 Last revised: 27 Feb 2012

See all articles by Turan G. Bali

Turan G. Bali

Georgetown University - Robert Emmett McDonough School of Business

Robert F. Engle

New York University - Leonard N. Stern School of Business - Department of Economics; New York University (NYU) - Department of Finance; National Bureau of Economic Research (NBER)

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Date Written: July 15, 2008

Abstract

This paper examines the intertemporal relation between expected return and risk for 30 stocks in the Dow Jones Industrial Average. The mean-reverting dynamic conditional correlation model of Engle (2002) is used to estimate a stock's conditional covariance with the market and test whether the conditional covariance predicts time-variation in the stock's expected return. The risk-aversion coefficient, restricted to be the same across stocks in panel regression, is estimated to be between two and four and highly significant. This result is robust across different market portfolios, different sample periods, alternative specifications of the conditional mean and covariance processes, different data sets including book-to-market portfolios and stocks in the S&P 100 index, and including a wide variety of state variables that proxy for the intertemporal hedging demand component of the ICAPM. The risk premium induced by the conditional covariation of individual stocks with the market portfolio remains economically and statistically significant after controlling for risk premia induced by conditional covariation with macroeconomic variables (federal funds rate, default spread, and term spread), financial factors (size, book-to-market, and momentum), and volatility measures (implied, GARCH, and range volatility).

Keywords: ICAPM, Dynamic conditional correlation, ARCH, Risk aversion, Dow Jones

JEL Classification: G12, G13, C51

Suggested Citation

Bali, Turan G. and Engle, Robert F., Investigating ICAPM with Dynamic Conditional Correlations (July 15, 2008). AFA 2009 San Francisco Meetings Paper. Available at SSRN: https://ssrn.com/abstract=1089559 or http://dx.doi.org/10.2139/ssrn.1089559

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Robert F. Engle

New York University - Leonard N. Stern School of Business - Department of Economics ( email )

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New York University (NYU) - Department of Finance

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National Bureau of Economic Research (NBER)

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