Justification of the simple majority and chairman rules

Drora Karotkin
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Drora Karotkin: Bar-Ilan University, Department of Economics, Ramat-Gan 52900, Israel

Social Choice and Welfare, 1996, vol. 13, issue 4, 479-486

Abstract: Employing the uncertain dichotomous model, this work proves the optimality of the simple majority and the chairman rules under complete ignorance of the decision competencies of the decision makers. The optimality of these commonly used rules is also retained under certain patterns of partial information on the characteristics of the distribution of the members' competencies.

Date: 1996
Note: Received: 6 April 1992/Accepted: 29 September 1995
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