We identify in this paper two conditions that characterize the domain of single-peaked preferences on the line in the following sense: a preference profile satisfies these two properties if and only if there exists a linear order $L$ over the set of alternatives such that these preferences are single-peaked with respect L. The first property states that for any subset of alternatives the set of alternatives considered as the worst by all agents cannot contains more than 2 elements. The second property states that two agents cannot disagree on the relative ranking of two alternatives with respect to a third alternative but agree on the (relative) ranking of a fourth one.
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Paper provided by Unitat de Fonaments de l'Anàlisi Econòmica (UAB) and Institut d'Anàlisi Econòmica (CSIC) in its series UFAE and IAE Working Papers with number
656.06.
Find related papers by JEL classification: D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations C78 - Mathematical and Quantitative Methods - - Game Theory and Bargaining Theory - - - Bargaining Theory; Matching Theory
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Barbera, Salvador & Sonnenschein, Hugo & Zhou, Lin, 1991.
"Voting by Committees,"
Econometrica,
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Cited by: (explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)
Walter Bossert & Hans Peters, 2009.
"Single-peaked choice,"
Economic Theory,
Springer, vol. 41(2), pages 213-230, November.
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BOSSERT, Walter & PETERS, Hans, 2006.
"Single-Peaked Choice,"
Cahiers de recherche
2006-14, Universite de Montreal, Departement de sciences economiques.
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Bossert, Walter & Peters, Hans, 2006.
"Single-peaked choice,"
Research Memoranda
037, Maastricht : METEOR, Maastricht Research School of Economics of Technology and Organization.
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