Rules for aggregating information |
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| Authors: | Christopher P Chambers Alan D Miller |
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| Institution: | (1) Department of Economics, University of Turku, 20014 Turku, Finland;(2) Department of Economics, Turku School of Economics, 20500 Turku, Finland |
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| Abstract: | We present a model of information aggregation in which agents’ information is represented through partitions over states of
the world. We discuss three axioms, meet separability, upper unanimity, and non-imposition, and show that these three axioms
characterize the class of oligarchic rules, which combine all of the information held by a pre-specified set of individuals. |
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