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Econometrica Vol. 45 No. 7 1977

The Manipulation of Social Choice Mechanisms that Do Not Leave "Too Much" to Chance

Salvador Barberà

Abstract

In this paper we study the possibility of constructing satisfactory social choice mechanisms whose outcomes are determined by a combination of voting and chance. The following theorem is obtained: if a social choice mechanism does not leave too much to chance and satisfies a unanimity condition, then it is either uniformly manipulable or dictatorial. The result contributes to the program suggested by Gibbard [2] for the study of the extent to which social choice mechanisms in which chance plays a role can be freed from 2 strategic manipulation.

DOI
10.2307/1913950
Volume
45
Issue
7
Pages
1573
Sources
bibtex:phds-export.bib crossref openalex

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