Strategy-proofness and unimodality in bounded distributive lattices

Ernesto Savaglio () and Stefano Vannucci ()

Department of Economics University of Siena from Department of Economics, University of Siena

Abstract: It is shown that a social choice rule f : X N ? X as defined on a bounded distributive lattice (X, ) is strategy-proof on the set of all profiles of unimodal total preorders on X if and only if it can be represented as an iterated median of projections and constants. The equivalence of individual and coalitional strategy-proofness that is known to hold in more specialized unimodal domains fails in such a more general setting.

JEL-codes: D71 (search for similar items in EconPapers)
Date: 2012-06
New Economics Papers: this item is included in nep-mic
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:usi:wpaper:642

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