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Condorcet Efficiency: A Preference for Indifference

Author

Listed:
  • Gehrlein, W.
  • Valognes, F.

Abstract

The condorcet winner in an lection is the candidate who would be able to defeat all other candidates in a series pairwise elections. The Condorcet efficiency of a voting procedure is the conditional probability that it will elect the Condorcet winner, given that a Condorcet exists. The study considers the Condorcet efficiency of weighted scoring rules (WSR's) on three candidates for large electorates when voter indifference between candidates is allowed.

Suggested Citation

  • Gehrlein, W. & Valognes, F., 2000. "Condorcet Efficiency: A Preference for Indifference," Papers 224, Notre-Dame de la Paix, Sciences Economiques et Sociales.
  • Handle: RePEc:fth:nodapa:224
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    Citations

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    Cited by:

    1. Mostapha Diss & Vincent Merlin, 2010. "On the stability of a triplet of scoring rules," Theory and Decision, Springer, vol. 69(2), pages 289-316, August.
    2. Hervé Crès, 2001. "Aggregation of coarse preferences," Social Choice and Welfare, Springer;The Society for Social Choice and Welfare, vol. 18(3), pages 507-525.
    3. repec:spr:qualqt:v:51:y:2017:i:6:d:10.1007_s11135-016-0446-7 is not listed on IDEAS
    4. Regenwetter, Michel & Grofman, Bernard & Marley, A. A. J., 2002. "On the model dependence of majority preference relations reconstructed from ballot or survey data," Mathematical Social Sciences, Elsevier, vol. 43(3), pages 451-466, July.
    5. Mathieu Martin, 2002. "On the emptiness of the stability set of order d," Theory and Decision, Springer, vol. 52(4), pages 313-326, June.
    6. Hervé Crès, 2000. "Aggregation of Coarse Preferences," Working Papers hal-01064879, HAL.
    7. Merlin, Vincent & Valognes, Fabrice, 2004. "The impact of indifferent voters on the likelihood of some voting paradoxes," Mathematical Social Sciences, Elsevier, vol. 48(3), pages 343-361, November.
    8. repec:spr:grdene:v:24:y:2015:i:2:d:10.1007_s10726-014-9388-4 is not listed on IDEAS
    9. William V. Gehrlein & Dominique Lepelley, 2015. "The Condorcet Efficiency Advantage that Voter Indifference Gives to Approval Voting Over Some Other Voting Rules," Group Decision and Negotiation, Springer, vol. 24(2), pages 243-269, March.
    10. Lepelley, Dominique & Martin, Mathieu, 2001. "Condorcet's paradox for weak preference orderings," European Journal of Political Economy, Elsevier, vol. 17(1), pages 163-177, March.
    11. Hervé Crès, 2000. "Aggregation of Coarse Preferences," Sciences Po publications 659/1998, Sciences Po.
    12. Michel Regenwetter & James Adams & Bernard Grofman, 2002. "On the (Sample) Condorcet Efficiency of Majority Rule: An alternative view of majority cycles and social homogeneity," Theory and Decision, Springer, vol. 53(2), pages 153-186, September.

    More about this item

    Keywords

    STATISTICS ; PROBABILITY ; GAME THEORY;

    JEL classification:

    • C71 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Cooperative Games
    • D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations

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