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Social Choice and Welfare

, Volume 17, Issue 1, pp 85–93 | Cite as

Strategic manipulability without resoluteness or shared beliefs: Gibbard-Satterthwaite generalized

  • John Duggan
  • Thomas Schwartz

Abstract.

The Gibbard-Satterthwaite Theorem on the manipulability of social-choice rules assumes resoluteness: there are no ties, no multi-member choice sets. Generalizations based on a familiar lottery idea allow ties but assume perfectly shared probabilistic beliefs about their resolution. We prove a more straightforward generalization that assumes almost no limit on ties or beliefs about them.

Keywords

Straightforward Generalization Shared Belief Probabilistic Belief Strategic Manipulability 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • John Duggan
    • 1
  • Thomas Schwartz
    • 2
  1. 1.Department of Political Science and Department of Economics, University of Rochester, Rochester, NY 14627, USA (e-mail: dugg@troi.cc.rochester.edu)US
  2. 2.Department of Political Science, UCLA, Los Angeles, CA 90024, USAUS

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