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A note on Nanson's rule

Research paper by Emerson M. S. Niou

Indexed on: 01 Jan '87Published on: 01 Jan '87Published in: Public Choice



Abstract

E.J. Nanson, in 1883, proposed a voting rule designed mainly to select the Condorcet winner. Unfortunately, much of the collective choice literature has misstated Nanson's rule. This note shows that the misstated versions of the rule and Nanson's actual rule can yield different outcomes, and it provides a counter example, which shows that Nanson's rule, although it satisfies the strong Condorcet condition, does not satisfy the weak Condorcet condition.