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John Duggan
 
''Majority Voting Over Lotteries: Conditions for Existence of a Decisive Voter''
( 2014, Vol. 34 No.1 )
 
 
This note extends known sufficient conditions for existence of a decisive voter in pairwise voting over lotteries. The preferred lottery of such a voter always coincides with the lottery preferred by a majority, meaning voting can be reduced to a decision problem of the decisive voter. The results are useful in solving dynamic models of bargaining and elections, where a binary vote can be expressed as a choice between two lotteries (depending on the discount factor), and voting subgames can be reduced to a decision problem of the decisive voter.
 
 
Keywords: Voting, majority rule, radial symmetry, order restriction
JEL: D7 - Analysis of Collective Decision-Making: General
 
Manuscript Received : Jan 15 2014 Manuscript Accepted : Feb 11 2014

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