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Abstract Arrowian aggregation
Authors:Klaus Nehring
Institution:a Department of Economics, University of California at Davis, Davis, CA 95616, USA
b Department of Economics, Karlsruhe Institute of Technology, D-76131 Karlsruhe, Germany
Abstract:In a general framework of abstract binary aggregation, we characterize aggregation problems in terms of the monotone Arrowian aggregators they admit. Specifically, we characterize the problems that admit non-dictatorial, locally non-dictatorial, anonymous, and neutral monotone Arrowian aggregation, respectively. As a consequence of these characterizations, we also obtain new results on the possibility of strategy-proof social choice and the “concrete Arrowian” aggregation of preferences into a social ordering on generalized single-peaked domains.
Keywords:D71  C72
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