Rules for Aggregating Information
Posted: 19 May 2010 Last revised: 14 Feb 2011
Date Written: May 1, 2010
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.
Keywords: Information, Aggregation, Separability, Partitions, Oligarchy
JEL Classification: D70, D71, D72
Suggested Citation: Suggested Citation
Chambers, Christopher P. and Miller, Alan D., Rules for Aggregating Information (May 1, 2010). Social Choice and Welfare, Vol. 36, pp. 75-82, 2011, Available at SSRN: https://ssrn.com/abstract=1598807
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