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Stable Coalitions

  • Carraro, Carlo
  • Marchiori, Carmen

This Paper examines recent theoretical developments in the theory of coalition stability. It focuses on the relationship between the incentives to defect from a coalition, the size of the resulting equilibrium coalition structure and the different assumptions on membership rules, coalition behaviour, players’ conjectures, etc. The Paper considers several cases. Simultaneous versus sequential moves, linear versus circular order of moves, Nash versus rational conjectures, open versus exclusive membership, monotonic versus non-monotonic payoff functions and orthogonal versus non-orthogonal reaction functions. The profitable and stable coalition will be derived for each possible configuration of the rules of the game, the pay-off functions and the membership rules. The results show that the size of the profitable and stable coalition highly depends on the chosen configuration and that the equilibrium outcome ranges from a small coalition with a few signatories to full cooperation. The Paper explores under which conditions a large stable coalition is likely to emerge, and identifies the institutional setting that favours the emergence of such coalition.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 3258.

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Date of creation: Mar 2002
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Handle: RePEc:cpr:ceprdp:3258
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  1. Carlo Carraro & Carmen Marchiori & Sonia Oreffice, 2009. "Endogenous Minimum Participation in International Environmental Treaties," Environmental & Resource Economics, Springer;European Association of Environmental and Resource Economists, vol. 42(3), pages 411-425, March.
  2. Ulph, A., 1993. "Environmental policy, plant Location and government protection," Discussion Paper Series In Economics And Econometrics 9305, Economics Division, School of Social Sciences, University of Southampton.
  3. Debraj Ray & Rajiv Vohra, 1998. "A Theory of Endogenous Coalition Structures," Working Papers 98-1, Brown University, Department of Economics, revised Jan 1998.
  4. Hart, Sergiu & Kurz, Mordecai, 1983. "Endogenous Formation of Coalitions," Econometrica, Econometric Society, vol. 51(4), pages 1047-64, July.
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  7. Barrett, Scott, 1994. "Self-Enforcing International Environmental Agreements," Oxford Economic Papers, Oxford University Press, vol. 46(0), pages 878-94, Supplemen.
  8. Carraro, Carlo & Siniscalco, Domenico, 1993. "Strategies for the international protection of the environment," Journal of Public Economics, Elsevier, vol. 52(3), pages 309-328, October.
  9. Yi, Sang-Seung & Shin, Hyukseung, 2000. "Endogenous formation of research coalitions with spillovers," International Journal of Industrial Organization, Elsevier, vol. 18(2), pages 229-256, February.
  10. CHANDER, Parkash & TULKENS, Henry, 1994. "A Core-Theoretic Solution for the Design of Cooperative Agreements on Transfrontier Pollution," CORE Discussion Papers 1994048, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
  11. Breton, M. le & Weber, S., 1992. "Stability of Coalition Structures and the Principle of Optimal Partitioning," Papers 93-6, York (Canada) - Department of Economics.
  12. Bresnahan, Timothy F, 1981. "Duopoly Models with Consistent Conjectures," American Economic Review, American Economic Association, vol. 71(5), pages 934-45, December.
  13. Bloch, Francis, 1996. "Sequential Formation of Coalitions in Games with Externalities and Fixed Payoff Division," Games and Economic Behavior, Elsevier, vol. 14(1), pages 90-123, May.
  14. Hoel, Michael, 1991. "Global environmental problems: The effects of unilateral actions taken by one country," Journal of Environmental Economics and Management, Elsevier, vol. 20(1), pages 55-70, January.
  15. Claude d'Aspremont & Alexis Jacquemin & Jean Jaskold Gabszewicz & John A. Weymark, 1983. "On the Stability of Collusive Price Leadership," Canadian Journal of Economics, Canadian Economics Association, vol. 16(1), pages 17-25, February.
  16. Donsimoni, Marie-Paule & Economides, Nicholas S & Polemarchakis, Herakles M, 1986. "Stable Cartels," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 27(2), pages 317-27, June.
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