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A characterization of single-peaked preferences via random social choice functions

Shurojit Chatterji (), Arunava Sen and Huaxia Zeng ()
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Shurojit Chatterji: School of Economics, Singapore Management University
Huaxia Zeng: School of Economics, Singapore Management University

No 11-2016, Economics and Statistics Working Papers from Singapore Management University, School of Economics

Abstract: This paper proves the following result: every path-connected domain of preferences that admits a strategy-proof, unanimous, tops-only random social choice function satisfying a compromise property is single-peaked. Conversely, every single-peaked domain admits a random social choice function satisfying these properties. Single-peakedness is defined with respect to arbitrary trees. The paper provides a justification of the salience of single-peaked preferences and evidence in favor of the Gul conjecture (Barberà 2010).

Keywords: Random social choice functions; strategy-proofness; compromise; single-peaked preferences. (search for similar items in EconPapers)
JEL-codes: D71 (search for similar items in EconPapers)
Pages: 24 pages
Date: 2016-05-01
New Economics Papers: this item is included in nep-des, nep-gth, nep-mic and nep-sea
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Related works:
Journal Article: A characterization of single-peaked preferences via random social choice functions (2016) Downloads
Working Paper: A CHaracterization of Single-Peaked Preferences via Random Social Choice Functions (2014) Downloads
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