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Widwast Choice

  • Stefano Vannucci

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    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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    File URL: http://www.econ-pol.unisi.it/quaderni/629.pdf
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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. Nehring,K. und C.Puppe, 1999. "A Theory of Diversity," Discussion Paper Serie A 605, University of Bonn, Germany.
    2. Federico Echenique, 2004. "Counting Combinatorial Choice Rules," Game Theory and Information 0404004, EconWPA.
    3. Bossert, Walter & Suzumura, Kotaro, 2009. "Consistency, Choice and Rationality," PIE/CIS Discussion Paper 428, Center for Intergenerational Studies, Institute of Economic Research, Hitotsubashi University.
    4. Marcello Basili & Stefano Vannucci, 2007. "Diversity as Width," Department of Economics University of Siena 500, Department of Economics, University of Siena.
    5. Baigent, Nick & Gaertner, Wulf, 1996. "Never Choose the Uniquely Largest: A Characterization," Economic Theory, Springer, vol. 8(2), pages 239-49, August.
    6. Sen, Amartya, 1993. "Internal Consistency of Choice," Econometrica, Econometric Society, vol. 61(3), pages 495-521, May.
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