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Risk Aversion and Planning Horizons

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Author Info
Antoine Bommier
Jean-Charles Rochet

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Abstract

A number of empirical studies seem to reject the additive separability of preferences that is assumed in most theoretical models of the life cycle. We show that, when additive separability is abandoned and interactions between consumptions at different dates are taken into account, an interesting relation emerges between risk aversion and length of the planning horizon.Specifically, we show that when consumptions at different dates are specific substitutes, risk aversion increases with horizon length. This may explain the surprising empirical finding that individuals seem to increase the share of wealth held in risky assets as they become older. (JEL: D11, D91, G11) Copyright (c) 2006 by the European Economic Association.

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Article provided by MIT Press in its journal Journal of the European Economic Association.

Volume (Year): 4 (2006)
Issue (Month): 4 (06)
Pages: 708-734
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Handle: RePEc:tpr:jeurec:v:4:y:2006:i:4:p:708-734

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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Karni, Edi, 1979. "On Multivariate Risk Aversion," Econometrica, Econometric Society, vol. 47(6), pages 1391-1401, November. [Downloadable!] (restricted)
  2. Monica Paiella & Luigi Guiso, 2004. "Risk Aversion, Wealth and Background Risk," 2004 Meeting Papers 525, Society for Economic Dynamics. [Downloadable!]
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  3. John Y. Campbell, 1992. "Intertemporal Asset Pricing Without Consumption Data," NBER Working Papers 3989, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  4. Muellbauer, John, 1986. "Habits, Rationality and Myopia in the Life-Cycle Consumption Function," CEPR Discussion Papers 112, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
  5. Robert B. Barsky & Miles S. Kimball & F. Thomas Juster & Matthew D. Shapiro, 1997. "Preference Parameters and Behavioral Heterogeneity: An Experimental Approach in the Health and Retirement Survey," NBER Working Papers 5213, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
  6. Hanoch, Giora, 1977. "Risk Aversion and Consumer Preferences," Econometrica, Econometric Society, vol. 45(2), pages 413-26, March. [Downloadable!] (restricted)
  7. Kreps, David M & Porteus, Evan L, 1978. "Temporal Resolution of Uncertainty and Dynamic Choice Theory," Econometrica, Econometric Society, vol. 46(1), pages 185-200, January. [Downloadable!] (restricted)
  8. Luigi Guiso & Tullio Jappelli, 2000. "Household Portfolios in Italy," CSEF Working Papers 43, Centre for Studies in Economics and Finance (CSEF), University of Salerno, Italy. [Downloadable!]
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  9. MaCurdy, Thomas E, 1981. "An Empirical Model of Labor Supply in a Life-Cycle Setting," Journal of Political Economy, University of Chicago Press, vol. 89(6), pages 1059-85, December. [Downloadable!] (restricted)
  10. Hayashi, Fumio, 1985. "The Effect of Liquidity Constraints on Consumption: A Cross-sectional Analysis," The Quarterly Journal of Economics, MIT Press, vol. 100(1), pages 183-206, February. [Downloadable!] (restricted)
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  11. Raquel Carrasco & José M. Labeaga & J. David López-Salido, 2002. "Consumption And Habits: Evidence From Panel Data," Economics Working Papers we023415, Universidad Carlos III, Departamento de Economía. [Downloadable!]
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  12. Samuelson, Paul A, 1969. "Lifetime Portfolio Selection by Dynamic Stochastic Programming," The Review of Economics and Statistics, MIT Press, vol. 51(3), pages 239-46, August. [Downloadable!] (restricted)
  13. Bodie, Zvi & Merton, Robert C. & Samuelson, William F., 1992. "Labor supply flexibility and portfolio choice in a life cycle model," Journal of Economic Dynamics and Control, Elsevier, vol. 16(3-4), pages 427-449. [Downloadable!] (restricted)
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  14. Karen E. Dynan, 2000. "Habit Formation in Consumer Preferences: Evidence from Panel Data," American Economic Review, American Economic Association, vol. 90(3), pages 391-406, June. [Downloadable!] (restricted)
  15. Farmer, Roger E A, 1990. "Rince Preferences," The Quarterly Journal of Economics, MIT Press, vol. 105(1), pages 43-60, February. [Downloadable!] (restricted)
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  16. Antoine Bommier, 2003. "Risk Aversion, Intertemporal Elasticity of Substitution and Correlation Aversion," Research Unit Working Papers 0307, Laboratoire d'Economie Appliquee, INRA. [Downloadable!]
  17. Merton, Robert C, 1969. "Lifetime Portfolio Selection under Uncertainty: The Continuous-Time Case," The Review of Economics and Statistics, MIT Press, vol. 51(3), pages 247-57, August. [Downloadable!] (restricted)
  18. Kihlstrom, Richard E. & Mirman, Leonard J., 1974. "Risk aversion with many commodities," Journal of Economic Theory, Elsevier, vol. 8(3), pages 361-388, July. [Downloadable!] (restricted)
  19. Epstein, Larry G & Zin, Stanley E, 1989. "Substitution, Risk Aversion, and the Temporal Behavior of Consumption and Asset Returns: A Theoretical Framework," Econometrica, Econometric Society, vol. 57(4), pages 937-69, July. [Downloadable!] (restricted)
  20. Becker, Gary S & Murphy, Kevin M, 1988. "A Theory of Rational Addiction," Journal of Political Economy, University of Chicago Press, vol. 96(4), pages 675-700, August. [Downloadable!] (restricted)
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  21. Browning, Martin, 1991. "A Simple Nonadditive Preference Structure for Models of Household Behavior over Time," Journal of Political Economy, University of Chicago Press, vol. 99(3), pages 607-37, June. [Downloadable!] (restricted)
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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Anne Lavigne, 2006. "Gouvernance et investissement des fonds de pension privés aux Etats-Unis," Working Papers halshs-00081401_v1, HAL. [Downloadable!]
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