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Overstating: A tale of two cities

Author

Listed:
  • Matias Nunez

    () (Université de Cergy-Pontoise, THEMA)

  • Laslier Jean François Author-Workplace-Name : Ecole Polytechnique

Abstract

This work presents a rationale for the prevalent limits to voters’ information disclosure in electoral settings. When allowed to express an intensity of preferences, strategic voters overstate in equilibrium of large multi candidate elections. Due to these overstatements, the set of voting equilibria of elections held under different voting rules coincide: the voting rules are strategically equivalent. Voters need not anymore overstate in electorates with few voters. However, enlarging the set of available grades does not significantly alter the set of possible winners in such elections.

Suggested Citation

  • Matias Nunez & Laslier Jean François Author-Workplace-Name : Ecole Polytechnique, 2010. "Overstating: A tale of two cities," THEMA Working Papers 2010-05, THEMA (THéorie Economique, Modélisation et Applications), Université de Cergy-Pontoise.
    • Handle: RePEc:ema:worpap:2010-05
    as

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    File URL: http://thema.u-cergy.fr/IMG/documents/2010-05.pdf
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    References listed on IDEAS

    as
    1. Jean-François Laslier, 2004. "Strategic Approval Voting in a large electorate," Working Papers hal-00242909, HAL.
    2. Amrita Dhillon & Jean-Francois Mertens, 1999. "Relative Utilitarianism," Econometrica, Econometric Society, vol. 67(3), pages 471-498, May.
    3. repec:cor:louvrp:-1467 is not listed on IDEAS
    4. Francesco De Sinopoli, 2000. "Sophisticated voting and equilibrium refinements under plurality rule," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 17(4), pages 655-672.
    5. Myerson, Roger B. & Weber, Robert J., 1993. "A Theory of Voting Equilibria," American Political Science Review, Cambridge University Press, vol. 87(1), pages 102-114, March.
    6. Gerber, Elisabeth R. & Morton, Rebecca B. & Rietz, Thomas A., 1998. "Minority Representation in Multimember Districts," American Political Science Review, Cambridge University Press, vol. 92(1), pages 127-144, March.
    7. Shmuel Nitzan, 1985. "The vulnerability of point-voting schemes to preference variation and strategic manipulation," Public Choice, Springer, vol. 47(2), pages 349-370, January.
    8. Roger B. Myerson, 1998. "Population uncertainty and Poisson games," International Journal of Game Theory, Springer;Game Theory Society, vol. 27(3), pages 375-392.
    9. Myerson, Roger B., 2000. "Large Poisson Games," Journal of Economic Theory, Elsevier, vol. 94(1), pages 7-45, September.
    10. Laurent Bouton & Micael Castanheira, 2012. "One Person, Many Votes: Divided Majority and Information Aggregation," Econometrica, Econometric Society, vol. 80(1), pages 43-87, January.
    11. Goertz, Johanna M.M. & Maniquet, François, 2011. "On the informational efficiency of simple scoring rules," Journal of Economic Theory, Elsevier, vol. 146(4), pages 1464-1480, July.
    12. Myerson, Roger B., 2002. "Comparison of Scoring Rules in Poisson Voting Games," Journal of Economic Theory, Elsevier, vol. 103(1), pages 219-251, March.
    13. Uzi Segal, 2000. "Let's Agree That All Dictatorships Are Equally Bad," Journal of Political Economy, University of Chicago Press, vol. 108(3), pages 569-589, June.
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    More about this item

    Keywords

    Strategic voting; voting equilibria; intensity of preferences;

    JEL classification:

    • D70 - Microeconomics - - Analysis of Collective Decision-Making - - - General
    • D72 - Microeconomics - - Analysis of Collective Decision-Making - - - Political Processes: Rent-seeking, Lobbying, Elections, Legislatures, and Voting Behavior

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