Single-peaked preferences have played an important role in the literature ever since they were used by Black (1948) to formulate a domain restriction that is sufficient for the exclusion of cycles according to the majority rule. In this paper, we approach single-peakedness from a choice-theoretic perspective. We show that the well-known axiom independence of irrelevant alternatives (a form of contraction consistency) and a weak continuity requirement characterize a class of single-peaked choice functions. Moreover, we examine the rationalizability and the rationalizability-representability of these choice functions.
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Paper provided by Universite de Montreal, Departement de sciences economiques in its series Cahiers de recherche with number
2006-14.
Walter Bossert & Hans Peters, 2009.
"Single-peaked choice,"
Economic Theory,
Springer, vol. 41(2), pages 213-230, November.
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Paper
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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Find related papers by JEL classification: D11 - Microeconomics - - Household Behavior - - - Consumer Economics: Theory D71 - Microeconomics - - Analysis of Collective Decision-Making - - - Social Choice; Clubs; Committees; Associations
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