A simple ultrafilter proof for an impossibility theorem in judgment aggregation
We show how ultrafilters can be used to prove a central impossibility result in judgement aggregation introduced by Nehring and Puppe (2005), namely that for a logically strongly interconnected agenda, an independent and monotonic judgement aggregation rule which satisfies universal domain, collective rationality and sovereignty is necessarily dictatorial.
Volume (Year): 29 (2009)
Issue (Month): 1 ()
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- Philippe Mongin, 2011.
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