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Monotonicity of social welfare optima

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  • Hougaard, Jens Leth
  • Østerdal, Lars Peter

Abstract

This paper considers the problem of maximizing social welfare subject to participation constraints. It is shown that for an income allocation method that maximizes a social welfare function there is a monotonic relationship between the incomes allocated to individual agents in a given coalition (with at least three members) and its participation constraint if and only if the aggregate income to that coalition is always maximized. An impossibility result demonstrates that there is no welfare maximizing allocation method in which agents' individual incomes monotonically increase in society's income. Thus, for any such allocation method, there are situations where some agents have incentives to prevent society in becoming richer.

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Bibliographic Info

Article provided by Elsevier in its journal Games and Economic Behavior.

Volume (Year): 70 (2010)
Issue (Month): 2 (November)
Pages: 392-402

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Handle: RePEc:eee:gamebe:v:70:y:2010:i:2:p:392-402

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Web page: http://www.elsevier.com/locate/inca/622836

Related research

Keywords: Income allocation Monotonicity Core Social welfare Cooperative game;

References

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  1. Sprumont, Yves, 1990. "Population monotonic allocation schemes for cooperative games with transferable utility," Games and Economic Behavior, Elsevier, vol. 2(4), pages 378-394, December.
  2. Javier Arin & Elena Inarra, 2001. "Egalitarian solutions in the core," International Journal of Game Theory, Springer, vol. 30(2), pages 187-193.
  3. Jens Leth Hougaard & Bezalel Peleg & Lars Peter Østerdal, 2005. "The Dutta-Ray Solution On The Class Of Convex Games: A Generalization And Monotonicity Properties," International Game Theory Review (IGTR), World Scientific Publishing Co. Pte. Ltd., vol. 7(04), pages 431-442.
  4. Ehud Kalai, 1977. "Proportional Solutions to Bargaining Situations: Interpersonal Utility Comparisons," Discussion Papers 179, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  5. J.- Y. Jaffray & Ph. Mongin, 1998. "Constrained egalitarianism in a simple redistributive model," THEMA Working Papers 98-37, THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise.
  6. Dutta, Bhaskar & Ray, Debraj, 1991. "Constrained egalitarian allocations," Games and Economic Behavior, Elsevier, vol. 3(4), pages 403-422, November.
  7. Klijn, Flip & Slikker, Marco & Tijs, Stef & Zarzuelo, Jose, 2000. "The egalitarian solution for convex games: some characterizations," Mathematical Social Sciences, Elsevier, vol. 40(1), pages 111-121, July.
  8. Kalai, Ehud & Samet, Dov, 1985. "Monotonic Solutions to General Cooperative Games," Econometrica, Econometric Society, vol. 53(2), pages 307-27, March.
  9. David Housman & (*), Lori Clark, 1998. "Note Core and monotonic allocation methods," International Journal of Game Theory, Springer, vol. 27(4), pages 611-616.
  10. Kalai, Ehud & Smorodinsky, Meir, 1975. "Other Solutions to Nash's Bargaining Problem," Econometrica, Econometric Society, vol. 43(3), pages 513-18, May.
  11. Rosenthal, E C, 1990. "Monotonicity of the Core and Value in Dynamic Cooperative Games," International Journal of Game Theory, Springer, vol. 19(1), pages 45-57.
  12. Dutta, Bhaskar & Ray, Debraj, 1989. "A Concept of Egalitarianism under Participation Constraints," Econometrica, Econometric Society, vol. 57(3), pages 615-35, May.
  13. Jens Leth Hougaard & Lars Thorlund-Petersen & Bezalel Peleg, 2001. "On the set of Lorenz-maximal imputations in the core of a balanced game," International Journal of Game Theory, Springer, vol. 30(2), pages 147-165.
  14. Koster, Maurice, 2002. "Hierarchical constrained egalitarianism in TU-games," Mathematical Social Sciences, Elsevier, vol. 43(2), pages 251-265, March.
  15. Javier Arin & Jeroen Kuipers & Dries Vermeulen, 2008. "An axiomatic approach to egalitarianism in TU-games," International Journal of Game Theory, Springer, vol. 37(4), pages 565-580, December.
  16. Dutta, B, 1990. "The Egalitarian Solution and Reduced Game Properties in Convex Games," International Journal of Game Theory, Springer, vol. 19(2), pages 153-69.
  17. Toru Hokari, 2000. "note: The nucleolus is not aggregate-monotonic on the domain of convex games," International Journal of Game Theory, Springer, vol. 29(1), pages 133-137.
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Cited by:
  1. Peter Holch Knudsen & Lars Peter Østerdal, 2005. "Merging and Splitting in Cooperative Games: Some (Im-)Possibility Results," Discussion Papers 05-19, University of Copenhagen. Department of Economics.

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