Proximity by Numbers
Duddy, Conal Piggins, Ashley
Duddy, Conal
Piggins, Ashley
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2009-11
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Working Paper
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Duddy, C., & Piggins, A. (2009). "Proximity by Numbers" (No. 0155): School of Economics, National University of Ireland, Galway.
Abstract
Imagine that everyone in a group chooses a real number and then these numbers are combined to produce a group number. Suppose that when everyone moves strictly closer to some individual¿s number, the group number either stays where it is or moves closer to this number. We call this the proximity condition. Restricting attention to group choice rules that are homogeneous of degree one and constant-preserving, we show that the only rules satisfying this property are dictatorships.
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National University of Ireland, Galway
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Attribution-NonCommercial-NoDerivs 3.0 Ireland