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Widwast Choice

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  • Stefano Vannucci

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    Abstract

    A choice function is (weakly) width-maximizing if there exists a dissimilarity- i.e. an irreflexive symmetric binary relation- on the underlying object set such that the choice sets are (include, respectively) dissimilarity chains of locally maximum size. Width-maximizing and weakly width-maximizing choice functions on an arbitrary domain are characterized relying on the newly introduced notion of a revealed dissimilarity relation.

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    Paper provided by Department of Economics, University of Siena in its series Department of Economics University of Siena with number 629.

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    Date of creation: Dec 2011
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    Handle: RePEc:usi:wpaper:629

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    1. Echenique, Federico, 2004. "Counting Combinatoral Choice Rules," Working Papers 1199, California Institute of Technology, Division of the Humanities and Social Sciences.
    2. Sen, Amartya, 1993. "Internal Consistency of Choice," Econometrica, Econometric Society, vol. 61(3), pages 495-521, May.
    3. Nehring,K. und C.Puppe, 1999. "A Theory of Diversity," Discussion Paper Serie A 605, University of Bonn, Germany.
    4. Marcello Basili & Stefano Vannucci, 2013. "Diversity as width," Social Choice and Welfare, Springer, vol. 40(3), pages 913-936, March.
    5. Nick Baigent & Wulf Gaertner, 1996. "Never choose the uniquely largest A Characterization," Economic Theory, Springer, vol. 8(2), pages 239-249.
    6. Bossert, Walter & Suzumura, Kotaro, 2009. "Consistency, Choice and Rationality," PIE/CIS Discussion Paper 428, Center for Intergenerational Studies, Institute of Economic Research, Hitotsubashi University.
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