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Dynamic equilibrium with two stocks, heterogeneous investors, and portfolio constraints

Chabakauri, Georgy (2013) Dynamic equilibrium with two stocks, heterogeneous investors, and portfolio constraints. Review of Financial Studies, 26 (12). pp. 3104-3141. ISSN 0893-9454

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Identification Number: 10.1093/rfs/hht030


We study dynamic equilibrium in a Lucas economy with two stocks, two heterogeneous constant relative risk aversion investors, and portfolio constraints. We focus on margin and leverage constraints, which restrict access to credit. We find a positive relationship between the amount of leverage in the economy and magnitudes of stock return correlations and volatilities. Tighter constraints generate rich patterns in correlations and volatilities, make them less countercyclical, increase risk premia proportionally to assets' margins, and increase prices of low-margin assets more than prices of high-margin assets. We derive closed-form solutions for the unconstrained case and the case of leverage constraints.

Item Type: Article
Official URL:
Additional Information: © 2013 Oxford University Press
Divisions: Finance
Subjects: H Social Sciences > HG Finance
JEL classification: D - Microeconomics > D5 - General Equilibrium and Disequilibrium > D52 - Incomplete Markets
G - Financial Economics > G1 - General Financial Markets > G12 - Asset Pricing; Trading volume; Bond Interest Rates
Date Deposited: 25 Nov 2013 12:40
Last Modified: 17 Jul 2024 06:24
Funders: Paul Woolley Center

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