Arrow’s theorem as a corollary |
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| Authors: | Klaus Nehring |
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| Institution: | Department of Economics, University of California, Davis, CA 95616, USA |
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| Abstract: | Arrow’s Impossibility Theorem is derived from a general result on social aggregation in ‘property spaces’ (S3 convex structures) obtained in prior work. In the derivation, the specific structure of Arrowian aggregation as an aggregation of weak orders plays a purely combinatorial role. |
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| Keywords: | Preference aggregation Independence of irrelevant alternatives S3 convex structure |
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