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Wealth Inequality and Asset Pricing

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Author Info
Gollier, Christian

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Abstract

In an Arrow-Debreu exchange economy with identical agents except for their initial endowment, we examine how wealth inequality affects the equilibrium level of the equity premium and the risk-free rate. We first show that wealth inequality raises the equity premium if and only if the inverse of absolute risk aversion is concave in wealth. We then show that the equilibrium risk-free rate is reduced by wealth inequality if the inverse of the coefficient of absolute prudence is concave. We also prove that the combination of a small uninsurable background risk with wealth inequality biases asset pricing towards a larger equity premium and a smaller risk-free rate. Copyright 2001 by The Review of Economic Studies Limited

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Publisher Info
Article provided by Blackwell Publishing in its journal Review of Economic Studies.

Volume (Year): 68 (2001)
Issue (Month): 1 (January)
Pages: 181-203
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Handle: RePEc:bla:restud:v:68:y:2001:i:1:p:181-203

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  1. Juan Carols Hatchondo, 2005. "A quantitative study of the role of wealth inequality on asset prices," Working Paper 05-12, Federal Reserve Bank of Richmond. [Downloadable!]
  2. Hara, C. & Christoph Kuzmics, 2004. "Representative Consumer's Risk Aversion and Efficient Risk-Sharing Rules," Cambridge Working Papers in Economics 0452, Faculty of Economics, University of Cambridge. [Downloadable!]
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  3. Hennessy, David A. & Lapan, Harvey E., 2006. "On the Nature of Certainty Equivalent Functionals," Staff General Research Papers 12552, Iowa State University, Department of Economics.
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  4. Jan Carlos Hatchondo, 2008. "A quantitative study of the role of wealth inequality on asset prices," Economic Quarterly, Federal Reserve Bank of Richmond, issue Win, pages 73-96. [Downloadable!]
  5. Gollier, Christian, 2003. "Optimal Dynamic Portfolio Risk with First-Order and Second-Order Predictability," IDEI Working Papers 250, Institut d'Économie Industrielle (IDEI), Toulouse. [Downloadable!]
  6. Walentin, Karl, 2007. "Earnings Inequality and the Equity Premium," Working Paper Series 215, Sveriges Riksbank (Central Bank of Sweden). [Downloadable!]
  7. Christian Ghiglino & Marielle Olszak-Duquenne, 2004. "On the Impact of Heterogeneity on Indeterminacy," Cahiers du Département d'Econométrie 2004.09, Département d'Econométrie, Université de Genève. [Downloadable!]
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  8. Sheryl Ball & Catherine C. Eckel & Maria Heracleous, 2008. "Risk Aversion and Physical Prowess: Prediction, Choice and Bias," Working Papers e07-11, Virginia Polytechnic Institute and State University, Department of Economics. [Downloadable!]
  9. Christian Helmenstein & Alexia Prskawetz & Yuri Yegorov, 2002. "Wealth and cohort size: stock market boom or bust ahead?," MPIDR Working Papers WP-2002-051, Max Planck Institute for Demographic Research, Rostock, Germany. [Downloadable!]
  10. Maurizio Mazzocco, 2004. "Saving, Risk Sharing, and Preferences for Risk," American Economic Review, American Economic Association, vol. 94(4), pages 1169-1182, September. [Downloadable!]
  11. Chiaki Hara, 2005. "Heterogeneous Risk Attitudes in a Continuous-Time Model," KIER Working Papers 609, Kyoto University, Institute of Economic Research. [Downloadable!]
  12. Luigi Guiso & Monica Paiella, 2007. "Risk Aversion, Wealth, and Background Risk," Economics Working Papers ECO2007/47, European University Institute. [Downloadable!]
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  13. Christian Ghiglino & Alain Venditti, 2008. "The role of the wealth distribution on output volatility," Economics Discussion Papers 653, University of Essex, Department of Economics. [Downloadable!]
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  14. Christian Ghiglino, 2003. "Wealth inequality and dynamic stability," Diskussionsschriften dp0310, Universitaet Bern, Departement Volkswirtschaft. [Downloadable!]
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