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Collective risk aversion

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  • Elyès Jouini

    ()

  • Clotilde Napp
  • Diego Nocetti

    ()

Abstract

In this article we analyze the risk attitude of a group of heterogeneous agents and we develop a theory of comparative collective risk tolerance. In particular, we characterize how shifts in the distribution of individual levels of risk tolerance affect the group’s attitude towards risk. In a model with efficient risk-sharing and two agents an increase in the level of risk tolerance of one or of both agents might have an ambiguous impact on the collective level of risk tolerance; the latter increases for some levels of aggregate wealth while it decreases for other levels of aggregate wealth. For more general populations we characterize the effect of first-order like shifts (individual levels of risk tolerance more concentrated on high values) and second-order like shifts (more dispersion on individual levels of risk tolerance) on the collective level of risk tolerance. We also evaluate how shifts in the distribution of individual levels of risk tolerance impact the collective level of risk tolerance in a framework with exogenous egalitarian sharing rules. Our results permit to better characterize differences in risk taking behavior between groups and individuals and among groups with different distributions of risk preferences. Copyright Springer-Verlag 2013

Suggested Citation

  • Elyès Jouini & Clotilde Napp & Diego Nocetti, 2013. "Collective risk aversion," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 40(2), pages 411-437, February.
  • Handle: RePEc:spr:sochwe:v:40:y:2013:i:2:p:411-437
    DOI: 10.1007/s00355-011-0611-9
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    References listed on IDEAS

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    1. Bone, John & Hey, John & Suckling, John, 1999. "Are Groups More (or Less) Consistent Than Individuals?," Journal of Risk and Uncertainty, Springer, vol. 18(1), pages 63-81, April.
    2. Jouini, E. & Napp, C., 2008. "On Abel's concept of doubt and pessimism," Journal of Economic Dynamics and Control, Elsevier, vol. 32(11), pages 3682-3694, November.
    3. Hara, Chiaki & Huang, James & Kuzmics, Christoph, 2007. "Representative consumer's risk aversion and efficient risk-sharing rules," Journal of Economic Theory, Elsevier, vol. 137(1), pages 652-672, November.
    4. Christian Gollier, 1997. "A Note on Portfolio Dominance," Review of Economic Studies, Oxford University Press, vol. 64(1), pages 147-150.
    5. Christian Gollier, 2001. "Wealth Inequality and Asset Pricing," Review of Economic Studies, Oxford University Press, vol. 68(1), pages 181-203.
    6. Gary Charness & Edi Karni & Dan Levin, 2007. "Individual and group decision making under risk: An experimental study of Bayesian updating and violations of first-order stochastic dominance," Journal of Risk and Uncertainty, Springer, vol. 35(2), pages 129-148, October.
    7. Masclet, David & Colombier, Nathalie & Denant-Boemont, Laurent & Lohéac, Youenn, 2009. "Group and individual risk preferences: A lottery-choice experiment with self-employed and salaried workers," Journal of Economic Behavior & Organization, Elsevier, vol. 70(3), pages 470-484, June.
    8. Christian Gollier, 2007. "Whom should we believe? Aggregation of heterogeneous beliefs," Journal of Risk and Uncertainty, Springer, vol. 35(2), pages 107-127, October.
    9. Landsberger, Michael & Meilijson, Isaac, 1990. "Demand for risky financial assets: A portfolio analysis," Journal of Economic Theory, Elsevier, vol. 50(1), pages 204-213, February.
    10. Robert B. Barsky & F. Thomas Juster & Miles S. Kimball & Matthew D. Shapiro, 1997. "Preference Parameters and Behavioral Heterogeneity: An Experimental Approach in the Health and Retirement Study," The Quarterly Journal of Economics, Oxford University Press, vol. 112(2), pages 537-579.
    11. Pratt, John W & Zeckhauser, Richard J, 1989. "The Impact of Risk Sharing on Efficient Decision," Journal of Risk and Uncertainty, Springer, vol. 2(3), pages 219-234, September.
    12. Kfir Eliaz & Debraj Ray & Ronny Razin, 2006. "Choice Shifts in Groups: A Decision-Theoretic Basis," American Economic Review, American Economic Association, vol. 96(4), pages 1321-1332, September.
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    Cited by:

    1. Marc Fleurbaey & Stéphane Zuber, 2017. "Fair Utilitarianism," Documents de travail du Centre d'Economie de la Sorbonne 17005r, Université Panthéon-Sorbonne (Paris 1), Centre d'Economie de la Sorbonne, revised Jul 2017.
    2. Grechuk, Bogdan & Zabarankin, Michael, 2014. "Risk averse decision making under catastrophic risk," European Journal of Operational Research, Elsevier, vol. 239(1), pages 166-176.

    More about this item

    JEL classification:

    • D1 - Microeconomics - - Household Behavior
    • D81 - Microeconomics - - Information, Knowledge, and Uncertainty - - - Criteria for Decision-Making under Risk and Uncertainty

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