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A conditional defense of plurality rule: generalizing May's theorem in a restricted informational environment

Goodin, Robert; List, Christian


May's theorem famously shows that, in social decisions between two options, simple majority rule uniquely satisfies four appealing conditions. Although this result is often cited in support of majority rule, it has never been extended beyond decisions based on pairwise comparisons of options. We generalize May's theorem to many-option decisions where voters each cast one vote. Surprisingly, plurality rule uniquely satisfies May's conditions. This suggests a conditional defense of plurality...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: American Journal of Political Science
DOI: 10.1111/j.1540-5907.2006.00225.x


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