An application of simple majority rule to a group with an even number of voters

Ruth Ben-Yashar ()
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Ruth Ben-Yashar: Bar Ilan University

Theory and Decision, 2023, vol. 94, issue 1, No 4, 83-95

Abstract: Abstract In the basic model of Condorcet’s jury theorem and in the literature that follows, an odd-numbered group of voters is assumed so that the simple majority rule can be used. We show that this assumption is not necessary either in Condorcet’s basic model or in the general framework of dichotomous choice. We first apply simple majority rule to an even-numbered homogeneous fixed-size committee. We then provide a justification for using simple majority rule for an even-numbered heterogeneous fixed-size committee when the competence structure of the committee members is not common knowledge.

Keywords: Simple majority rule; Even-numbered fixed-size committee; Condorcet’s jury theorem (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s11238-022-09872-1

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