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

Shin Sato

Journal of Economic Theory, 2013, vol. 148, issue 1, 259-278

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.

Keywords: Adjacent manipulation; AM-proofness; Single-peaked preferences; Strategy-proofness (search for similar items in EconPapers)
JEL-codes: D71 (search for similar items in EconPapers)
Date: 2013
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (59)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:jetheo:v:148:y:2013:i:1:p:259-278

DOI: 10.1016/j.jet.2012.12.001

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