Minimal covering set solutions |
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Authors: | Michele Lombardi |
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Affiliation: | (1) Department of Economics, University of Warwick, Coventry, CV4 7AL, UK |
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Abstract: | We study necessary and sufficient conditions for a multi-valued solution S to be rationalized in the following sense: there exists a complete asymmetric relation T (a tournament) such that, for each feasible (finite) set, the solution set of S coincides with the minimal covering set of T restricted to that feasible set. Our characterization result relies only on properties relating S across feasible choice sets. |
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