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A sufficient condition for the equivalence of strategy-proofness and nonmanipulability by preferences adjacent to the sincere one

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  • Sato, Shin
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    Abstract

    I consider whether the agentsʼ reluctance to make a large lie is helpful for the rule designer to construct a nonmanipulable rule. For this purpose, I study an axiom, called AM-proofness, saying that manipulation cannot occur through preferences adjacent to the sincere one. Through examples, I give rationales for AM-proofness. My main result is a sufficient condition on a domain for the equivalence of AM-proofness and strategy-proofness. I show that the sufficient condition is satisfied by the universal domain and the domain of single-peaked preferences. Over such domains, all results about strategy-proofness can be restated with AM-proofness.

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    Bibliographic Info

    Article provided by Elsevier in its journal Journal of Economic Theory.

    Volume (Year): 148 (2013)
    Issue (Month): 1 ()
    Pages: 259-278

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    Handle: RePEc:eee:jetheo:v:148:y:2013:i:1:p:259-278

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    Web page: http://www.elsevier.com/locate/inca/622869

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    Keywords: Adjacent manipulation; AM-proofness; Single-peaked preferences; Strategy-proofness;

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