[EM] Condorcet Criterion for plurality.
Bart Ingles
bartman at netgate.net
Mon Dec 11 23:17:28 PST 2000
David Catchpole wrote:
>
> Votes:
>
> A>B>C
> A>B>C
> A>B>C
> B>A>C
> B>A>C
> C>A>B
> C>A>B
> C>A>B
> C>A>B
>
> Using plurality, C wins. If we assume that voters have rankings, _whether
> or not they can express them on their ballots_, then plurality fails a
> Condorcet criterion.
You are also making an unstated assumption that voters have no knowledge
of the other voters' preferences, or at least of the candidates'
relative positions in the political spectrum.
Bart
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