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Voting blocs, party discipline and party formation

  • Eguia, Jon X.

I study the strategic incentives to coordinate votes in an assembly. Coalitions form voting blocs, acting as single players and affecting the policy outcome. In an assembly with two exogenous parties I show how the incentives to accept party discipline depend on the types of the agents, the sizes of the parties, and the rules the blocs use to aggregate preferences. In a game of fully endogenous party formation, I find sufficient conditions for the existence of equilibria with one bloc, two blocs, and multiple blocs.

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

Volume (Year): 73 (2011)
Issue (Month): 1 (September)
Pages: 111-135

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Handle: RePEc:eee:gamebe:v:73:y:2011:i:1:p:111-135
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  1. Morelli, Massimo, 1998. "Party Formation and Policy Outcomes Under Different Electoral Systems," Staff General Research Papers 1242, Iowa State University, Department of Economics.
  2. Ray, Debraj, 2007. "A Game-Theoretic Perspective on Coalition Formation," OUP Catalogue, Oxford University Press, number 9780199207954.
  3. Martin J. Osborne & Rabee Tourky, 2005. "Party formation in single-issue politics," Working Papers tecipa-174, University of Toronto, Department of Economics.
  4. Francis Bloch, 2003. "Non-cooperative models of coalition formation in games with spillovers," Chapters, in: The Endogenous Formation of Economic Coalitions, chapter 2 Edward Elgar.
  5. Giovanni Maggi & Massimo Morelli, 2006. "Self-Enforcing Voting in International Organizations," American Economic Review, American Economic Association, vol. 96(4), pages 1137-1158, September.
  6. Levy, Gilat, 2004. "A model of political parties," Journal of Economic Theory, Elsevier, vol. 115(2), pages 250-277, April.
  7. Abdul Ghafar Noury & Simon Hix & Gérard Roland, 2007. "Democratic politics in the European Parliament," ULB Institutional Repository 2013/7744, ULB -- Universite Libre de Bruxelles.
  8. Jackson, Matthew O. & Moselle, Boaz, 2002. "Coalition and Party Formation in a Legislative Voting Game," Journal of Economic Theory, Elsevier, vol. 103(1), pages 49-87, March.
  9. Annick Laruelle & Federico Valenciano, 2005. "Assessing success and decisiveness in voting situations," Social Choice and Welfare, Springer, vol. 24(1), pages 171-197, January.
  10. Dreze, J H & Greenberg, J, 1980. "Hedonic Coalitions: Optimality and Stability," Econometrica, Econometric Society, vol. 48(4), pages 987-1003, May.
  11. Sang-Seung Yi, 2003. "Endogenous formation of economic coalitions: a survey of the partition function approach," Chapters, in: The Endogenous Formation of Economic Coalitions, chapter 3 Edward Elgar.
  12. Bernard Caillaud & Jean Tirole, 2002. "Parties As Political Intermediaries," The Quarterly Journal of Economics, MIT Press, vol. 117(4), pages 1453-1489, November.
  13. Kyle Hyndman & Debraj Ray, 2007. "Coalition Formation with Binding Agreements," Review of Economic Studies, Oxford University Press, vol. 74(4), pages 1125-1147.
  14. Bloch, Francis & Gomes, Armando, 2006. "Contracting with externalities and outside options," Journal of Economic Theory, Elsevier, vol. 127(1), pages 172-201, March.
  15. Caillaud, B. & Tirole, J., 1999. "Party governance and ideological bias," European Economic Review, Elsevier, vol. 43(4-6), pages 779-789, April.
  16. Hart, Sergiu & Kurz, Mordecai, 1983. "Endogenous Formation of Coalitions," Econometrica, Econometric Society, vol. 51(4), pages 1047-64, July.
  17. Dan S. Felsenthal & Moshé Machover, 2002. "Annexations and alliances: When are blocs advantageous a priori?," Social Choice and Welfare, Springer, vol. 19(2), pages 295-312, April.
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