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On Strategy-Proofness and Semilattice Single-Peakedness

Agustín Bonifacio () and Jordi Masso

No 1087, Working Papers from Barcelona Graduate School of Economics

Abstract: We study social choice rules defined on the domain of semilattice singlepeaked preferences. Semilattice single-peakedness has been identified as the necessary condition that a set of preferences must satisfy so that the set can be the domain of a strategy-proof, tops-only, anonymous and unanimous rule. We characterize the class of all such rules on that domain and show that they are deeply related to the supremum of the underlying semilattice structure.

Keywords: strategy-proofness; unanimity; anonymity; tops-onlyness; single-peakedness (search for similar items in EconPapers)
JEL-codes: D71 (search for similar items in EconPapers)
Date: 2019-04
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Working Paper: On strategy-proofness and semilattice single-peakedness (2019) Downloads
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