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Wealth, Information Acquisition, and Portfolio Choice

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Author Info
Joël Peress

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Abstract

I solve (with an approximation) a Grossman-Stiglitz economy under general preferences, thus allowing for wealth effects. Because information generates increasing returns, decreasing absolute risk aversion, in conjunction with the availability of costly information, is sufficient to explain why wealthier households invest a larger fraction of their wealth in risky assets. One no longer needs to resort to decreasing relative risk aversion, an empirically questionable assumption. Furthermore, I show how to distinguish empirically between these two explanations. Finally, I find that the availability of costly information exacerbates wealth inequalities. Copyright 2004, Oxford University Press.

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File URL: http://hdl.handle.net/10.1093/rfs/hhg056
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Publisher Info
Article provided by Oxford University Press for Society for Financial Studies in its journal The Review of Financial Studies.

Volume (Year): 17 (2004)
Issue (Month): 3 ()
Pages: 879-914
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Handle: RePEc:oup:rfinst:v:17:y:2004:i:3:p:879-914

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  1. Luigi Guiso & Tullio Jappelli, 2007. "Information Acquisition and Portfolio Performance," Economics Working Papers ECO2007/45, European University Institute. [Downloadable!]
    Other versions:
  2. Yannis Bilias & Michael Haliassos, 2004. "The Distribution of Gains from Access to Stocks," CSEF Working Papers 125, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy. [Downloadable!]
  3. Luigi Guiso & Tullio Jappelli, 2003. "Awareness and Stock Market Participation," CSEF Working Papers 110, Centre for Studies in Economics and Finance (CSEF), University of Naples, Italy. [Downloadable!]
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  4. Yannis Bilias & Dimitris Georgarakos & Michael Haliassos, 2005. "Equity Culture and the Distribution of Wealth," CFS Working Paper Series 2005/20, Center for Financial Studies. [Downloadable!]
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  5. Elena Argentese & Helmut Luetkepohl & Massimo Motta, 2006. "Acquisition of information and share prices: An empirical investigation of cognitive dissonance," Economics Working Papers ECO2006/32, European University Institute. [Downloadable!]
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  6. Vasiliki Skreta & Laura Veldkamp, 2008. "Ratings Shopping and Asset Complexity: A Theory of Ratings Inflation," Working Papers 08-28, New York University, Leonard N. Stern School of Business, Department of Economics. [Downloadable!]
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  7. Guiso, Luigi & Haliassos, Michalis & Jappelli, Tullio, 2003. "Household Stockholding in Europe: Where Do We Stand, and Where Do We Go?," CEPR Discussion Papers 3694, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  8. OZERTURK, Saltuk, 2005. "Stock recommendation of an analyst who trades on own account," CORE Discussion Papers 2005089, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE). [Downloadable!]
  9. Helios Herrera, 2005. "Sorting in Risk-Aversion and Asset Price Volatility," Levine's Bibliography 172782000000000083, UCLA Department of Economics. [Downloadable!]
  10. Menno Middeldorp & Stephanie Rosenkranz, 2008. "Information acquisition in an experimental asset market," Working Papers 08-25, Utrecht School of Economics. [Downloadable!]
  11. Charlotte Christiansen & Juanna Schröter Joensen & Jesper Rangvid, 2007. "Are Economists More Likely to Hold Stocks?," CREATES Research Papers 2007-08, School of Economics and Management, University of Aarhus. [Downloadable!]
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  12. Stijn Van Nieuwerburgh & Laura Veldkamp, 2008. "Information Acquisition and Under-Diversification," NBER Working Papers 13904, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  13. Luigi Guiso & Monica Paiella, 2007. "Risk Aversion, Wealth, and Background Risk," Economics Working Papers ECO2007/47, European University Institute. [Downloadable!]
    Other versions:
  14. Christiansen, Charlotte & Joensen, Juanna Schröter & Rangvid, Jesper, 2005. "Do More Economists Hold Stocks?," Finance Research Group Working Papers F-2005-02, University of Aarhus, Aarhus School of Business, Department of Business Studies. [Downloadable!]
    Other versions:
  15. Juan Dubra & Helios Herrera, 2002. "Market Participation, Information and Volatility," Working Papers 0206, Centro de Investigacion Economica, ITAM. [Downloadable!]
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