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Ambiguity in electoral competition

  • Jean-François Laslier

    (CECO - Laboratoire d'econometrie de l'école polytechnique - CNRS : UMR7657 - Polytechnique - X)

L'article propose une théorie de la compétition électorale ambigüe. Une plate-forme est ambigüe si les votants peuvent l'interpréter de différentes manières. Une telle plate-forme met plus ou moins de poids sur sur les différentes options possibles de sorte qu'elle est plus ou moins facilement interprétée comme une politique ou une autre. On fait l'hypothèse que les partis politiques peuvent contrôler exactement leurs plate-formes mais ne peuvent pas cibler celles-ci vers les votants individuellement. Chaque électeur vote d'après son interprétation des plate-formes des partis mais est averse à l'ambiguité. On montre que ce jeu de compétition électorale n'a pas d'équilibre de Nash. Cependant ses stratégies max-min sont les stratégies optimales du jeu Downsien en stratégies mixtes. De plus, si les partis se comportent de manière suffisament prudente par rapport à l'aversion pour l'ambiguité des électeurs, ces mêmes stratégies forment un équilibre.

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Paper provided by HAL in its series Working Papers with number hal-00242944.

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Date of creation: 2003
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Handle: RePEc:hal:wpaper:hal-00242944
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  1. Enriqueta Aragones & Zvika Neeman, 1994. "Strategic Ambiguity in Electoral Competition," Discussion Papers 1083, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  2. McKelvey, Richard D., 1976. "Intransitivities in multidimensional voting models and some implications for agenda control," Journal of Economic Theory, Elsevier, vol. 12(3), pages 472-482, June.
  3. Laslier, Jean-Francois & Picard, Nathalie, 2002. "Distributive Politics and Electoral Competition," Journal of Economic Theory, Elsevier, vol. 103(1), pages 106-130, March.
  4. Oriol Carbonell-Nicolau & Efe Ok, 2004. "Multidimensional income taxation and electoral competition: an equilibrium analysis," Departmental Working Papers 200407, Rutgers University, Department of Economics.
  5. Alessandro Lizzeri & Nicola Persico, . ""The Provision of Public Goods Under Alternative Electoral Incentives''," CARESS Working Papres 98-08, University of Pennsylvania Center for Analytic Research and Economics in the Social Sciences.
  6. Philippe De Donder, 2000. "Majority voting solution concepts and redistributive taxation," Social Choice and Welfare, Springer, vol. 17(4), pages 601-627.
  7. Enriqueta Aragonés & Thomas R. Palfrey, 2000. "Mixed equilibrium in a Downsian model with a favored candidate," Economics Working Papers 502, Department of Economics and Business, Universitat Pompeu Fabra.
  8. Jeffrey S. Banks & John Duggan & Michel LeBreton, . "Bounds for Mixed Strategy Equilibria and the Spatial Model of Elections," Wallis Working Papers WP14, University of Rochester - Wallis Institute of Political Economy.
  9. Bhaskar Dutta & Jean-Francois Laslier, 1999. "Comparison functions and choice correspondences," Social Choice and Welfare, Springer, vol. 16(4), pages 513-532.
  10. Cukierman, Alex & Alesina, Alberto, 1990. "The Politics of Ambiguity," Scholarly Articles 4552530, Harvard University Department of Economics.
  11. Laffond, G. & Laslier, J.F. & Le Breton, M., 1995. "A Theorem on Symetric Two-Player Zero-Sum Games," G.R.E.Q.A.M. 95a01, Universite Aix-Marseille III.
  12. Eichberger, Jurgen & Kelsey, David, 2000. "Non-Additive Beliefs and Strategic Equilibria," Games and Economic Behavior, Elsevier, vol. 30(2), pages 183-215, February.
  13. Gilbert Laffond & Jean-François Laslier & Michel Breton, 2000. "K–Player Additive Extension of Two-Player games with an Application to the Borda Electoral Competition Game," Theory and Decision, Springer, vol. 48(2), pages 129-137, March.
  14. Enriqueta Aragonés & Andrew Postlewaite, 1999. "Ambiguity in election games," Economics Working Papers 364, Department of Economics and Business, Universitat Pompeu Fabra.
  15. Zeckhauser, Richard, 1969. "Majority Rule with Lotteries on Alternatives," The Quarterly Journal of Economics, MIT Press, vol. 83(4), pages 696-703, November.
  16. Roger B. Myerson, 1999. "Nash Equilibrium and the History of Economic Theory," Journal of Economic Literature, American Economic Association, vol. 37(3), pages 1067-1082, September.
  17. Nicolas Sahuguet & Nicola Persico, 2006. "Campaign spending regulation in a model of redistributive politics," Economic Theory, Springer, vol. 28(1), pages 95-124, 05.
  18. Jean-FranÚois Laslier, 2000. "Interpretation of electoral mixed strategies," Social Choice and Welfare, Springer, vol. 17(2), pages 283-292.
  19. Marinacci, Massimo, 2000. "Ambiguous Games," Games and Economic Behavior, Elsevier, vol. 31(2), pages 191-219, May.
  20. Fishburn, Peter C., 1972. "Lotteries and social choices," Journal of Economic Theory, Elsevier, vol. 5(2), pages 189-207, October.
  21. Kvasov, Dmitriy, 2007. "Contests with limited resources," Journal of Economic Theory, Elsevier, vol. 136(1), pages 738-748, September.
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