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Assessing risky social situations

  • FLEURBAEY, Marc

This paper reexamines the welfare economics of risk. It singles out a class of criteria, the "expected equally distributed equivalent," as the unique class that avoids serious drawbacks of existing approaches. Such criteria behave like ex post criteria when the final statistical distribution of well-being is known ex ante and like ex ante criteria when risk generates no inequality. The paper also provides a new result on the tension between inequality aversion and respect of individual ex ante preferences, in the vein of Harsanyi's aggregation theorem. (c) 2010 by The University of Chicago. All rights reserved..

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File URL: http://dx.doi.org/10.1086/656513
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Paper provided by Université catholique de Louvain, Center for Operations Research and Econometrics (CORE) in its series CORE Discussion Papers RP with number -2289.

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Handle: RePEc:cor:louvrp:-2289
Note: In : Journal of Political Economy, 118(4), 649-680, 2010
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  8. Thibault Gajdos & Eric Maurin, 2004. "Unequal Uncertainties and Uncertain Inequalities: An Axiomatic Approach," Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) halshs-00085940, HAL.
  9. Wakker, Peter, 1993. "Savage's Axioms Usually Imply Violation of Strict Stochastic Dominance," Review of Economic Studies, Wiley Blackwell, vol. 60(2), pages 487-93, April.
  10. Rothschild, Michael & Stiglitz, Joseph E, 1976. "Equilibrium in Competitive Insurance Markets: An Essay on the Economics of Imperfect Information," The Quarterly Journal of Economics, MIT Press, vol. 90(4), pages 630-49, November.
  11. Alon Harel, 2005. "Ex-Post Egalitarianism and Legal Justice," Journal of Law, Economics and Organization, Oxford University Press, vol. 21(1), pages 57-75, April.
  12. Pratt, John W & Zeckhauser, Richard J, 1996. "Willingness to Pay and the Distribution of Risk and Wealth," Journal of Political Economy, University of Chicago Press, vol. 104(4), pages 747-63, August.
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  14. Quiggin, John, 1982. "A theory of anticipated utility," Journal of Economic Behavior & Organization, Elsevier, vol. 3(4), pages 323-343, December.
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  17. Hammond, Peter J, 1976. "Equity, Arrow's Conditions, and Rawls' Difference Principle," Econometrica, Econometric Society, vol. 44(4), pages 793-804, July.
  18. Ben-Porath, Elchanan & Gilboa, Itzhak & Schmeidler, David, 1997. "On the Measurement of Inequality under Uncertainty," Journal of Economic Theory, Elsevier, vol. 75(1), pages 194-204, July.
  19. Machina, Mark J, 1982. ""Expected Utility" Analysis without the Independence Axiom," Econometrica, Econometric Society, vol. 50(2), pages 277-323, March.
  20. Hammond, Peter J, 1979. "Equity in Two Person Situations: Some Consequences," Econometrica, Econometric Society, vol. 47(5), pages 1127-35, September.
  21. Meyer, Margaret A & Mookherjee, Dilip, 1987. "Incentives, Compensation, and Social Welfare," Review of Economic Studies, Wiley Blackwell, vol. 54(2), pages 209-26, April.
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  24. Tversky, Amos & Kahneman, Daniel, 1992. " Advances in Prospect Theory: Cumulative Representation of Uncertainty," Journal of Risk and Uncertainty, Springer, vol. 5(4), pages 297-323, October.
  25. John C. Harsanyi, 1955. "Cardinal Welfare, Individualistic Ethics, and Interpersonal Comparisons of Utility," Journal of Political Economy, University of Chicago Press, vol. 63, pages 309.
  26. Broome, John, 1984. "Uncertainty and Fairness," Economic Journal, Royal Economic Society, vol. 94(375), pages 624-32, September.
  27. Machina, Mark J, 1989. "Dynamic Consistency and Non-expected Utility Models of Choice under Uncertainty," Journal of Economic Literature, American Economic Association, vol. 27(4), pages 1622-68, December.
  28. Grant, Simon, 1995. "Subjective Probability without Monotonicity: Or How Machina's Mom May Also Be Probabilistically Sophisticated," Econometrica, Econometric Society, vol. 63(1), pages 159-89, January.
  29. Alon Harel & Zvi Safra & Uzi Segal, 2003. "Ex-Post Egalitarianism," Boston College Working Papers in Economics 563, Boston College Department of Economics.
  30. Broome, John, 2006. "Weighing Lives," OUP Catalogue, Oxford University Press, number 9780199297702, March.
  31. Hammond, Peter J, 1981. "Ex-ante and Ex-post Welfare Optimality under Uncertainty," Economica, London School of Economics and Political Science, vol. 48(191), pages 235-50, August.
  32. Hammond, P.J. & , ., 1987. "Consequentialist foundations for expected utility," CORE Discussion Papers 1987016, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  33. John Leach, 2010. "Ex Post Welfare under Alternative Health Care Systems," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 12(6), pages 1027-1057, December.
  34. Epstein, Larry G & Segal, Uzi, 1992. "Quadratic Social Welfare Functions," Journal of Political Economy, University of Chicago Press, vol. 100(4), pages 691-712, August.
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  37. Fleurbaey, Marc, 2009. "Two variants of Harsanyi's aggregation theorem," Economics Letters, Elsevier, vol. 105(3), pages 300-302, December.
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  39. Hammond, Peter J, 1989. "Consistent Plans, Consequentialism, and Expected Utility," Econometrica, Econometric Society, vol. 57(6), pages 1445-49, November.
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