Impossibility Results for Infinite-Electorate Abstract Aggregation Rules |
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| Authors: | Frederik Herzberg Daniel Eckert |
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| Affiliation: | (1) Department of Quantitative Economics, University of Maastricht, P.O. Box 616, 6200, MD, Maastricht, The Netherlands;(2) Department of Government, London School of Economics, London, WC2A 2AE, UK; |
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| Abstract: | Following Lauwers and Van Liedekerke (1995), this paper explores in a model-theoretic framework the relation between Arrovian aggregation rules and ultraproducts, in order to investigate a source of impossibility results for the case of an infinite number of individuals and an aggregation rule based on a free ultrafilter of decisive coalitions. |
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