Yet Another Very Short Proof of the Gibbard-Satterthwaite Theorem

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type 01 Jan 2015 English Publisher:Elsevier BVJournal:SSRN Electronic Journal (eissn: 1556-5068,

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Authors: Ville Pentti Korpela;

doi: 10.2139/ssrn.2644220

Yet Another Very Short Proof of the Gibbard-Satterthwaite Theorem

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Abstract

We give a direct and very short proof of the famous Gibbard-Satterthwaite theorem [Alan Gibbard (1977) and Mark Satterthwaite (1975)]. The proof is based on investigating the properties of one critical preference profile constructed from those alternatives that individuals are not decisive on. These are alternatives that must exist if no one is a dictator.

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University of Turku
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