Strategic manipulability without resoluteness or shared beliefs: Gibbard-Satterthwaite generalized
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.
Volume (Year): 17 (2000)
Issue (Month): 1 ()
|Note:||Received: 15 December 1997/Accepted: 16 November 1998|
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