[EM] 3 or more choices - Condorcet

Chris Benham cbenhamau at yahoo.com.au
Sun Nov 11 08:33:48 PST 2012


Kevin Venzke wrote:

"Margins, it seems to me, is DOA as a proposal due to the Plurality criterion.
That 35 A>B, 25 B, 40 C would elect A is too counter-intuitive."

I agree. For those who don't know, the Plurality criterion says that if  X is ranked
strictly above all other candidates on more ballots than Y is ranked above any candidates,
then Y must not win. 

http://wiki.electorama.com/wiki/Plurality_criterion

I like a more general standard that says that if  X both pairwise beats Y and positionally
dominates Y, then Y mustn't win.

Chris Benham
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