Review of Finance Advance Access published online on March 22, 2008
Review of Finance, doi:10.1093/rof/rfm036
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An Examination of Heterogeneous Beliefs with a Short-Sale Constraint in a Dynamic Economy*
1 Mays Business School, Texas A&M University
2 Tepper School of Business, Carnegie Mellon University
We study the effects of a market-wide short-sale constraint in a dynamic economy with heterogeneous beliefs. Imposing the constraint reduces the stock price if the optimistic investors' intertemporal elasticity of substitution (IES) is less than one and increases the stock price if the optimist's IES is greater than one. In calibrated examples, the optimist's market price of risk falls and the interest rate rises when the constraint binds. Imposing the constraint leads to a higher stock volatility if the optimist's IES is less than one and a lower stock volatility if the IES is greater than one.
JEL Classification: D51, G11, G12, G14
* We would like to thank Peter Bossaerts (the editor) and two anonymous referees as well as A. Cevdet Aydemir, Ravi Bansal, David Chapman, George Constantinides, Paul Ehling, Wayne Ferson, Francisco Gomes, John Heaton, Bjarne Astrup Jensen, Pascal Maenhout, Marcel Rindisbacher, Tan Wang, and the seminar participants at several universities and conferences for useful comments.
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