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Bayesian improvement of the phantom voters rule: An example of dichotomic communication

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  • Fleckinger, Pierre

Abstract

This paper studies communication mechanisms for two players with symmetric single-peaked preferences. The peaks are privately known and drawn from a uniform distribution before the agents take a collective decision. While for the general setting Moulin (1980) characterized all strategy-proof mechanisms, much remains to be known in the Bayesian framework. The example consists of a dichotomic mechanism, that yields a strictly higher ex-ante expected utility than the best "min-max" rule. The properties of the mechanism are analyzed, then limits and possible directions for generalization are discussed.
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  • Fleckinger, Pierre, 2008. "Bayesian improvement of the phantom voters rule: An example of dichotomic communication," Mathematical Social Sciences, Elsevier, vol. 55(1), pages 1-13, January.
  • Handle: RePEc:eee:matsoc:v:55:y:2008:i:1:p:1-13
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    11. Kim C. Border & J. S. Jordan, 1983. "Straightforward Elections, Unanimity and Phantom Voters," Review of Economic Studies, Oxford University Press, vol. 50(1), pages 153-170.
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