Borda Count by Paul Dumais

Paul Dumais paul at amc.ab.ca
Tue Apr 20 08:19:26 PDT 1999


Markus and others:

	As I'm new to this list, could someone tell me how to find info
regarding the criterions mentioned below? How important are these
criterions to getting a "fair" result? Thank-you.

Markus Schulze wrote:
> 
> Dear Paul,
> 
> you wrote (19 Apr 1999):
> >        Paul's borda count:
> >
> >        Do a standard borda count, then eliminate the lowest candidates. The
> > number of candidates kept is equal to the number of choices (seats, one
> > in this example) + 1. Do a second borda count. Eliminate the last
> > choice.
> >
> > This method should greatly reduce the possibility that the choice made
> > differs when comparing it to the first eliminated candidate only. The
> > "perfect" method would probably be to eliminate the lowest candidate one
> > at a time. I'm not sure what would be gained by this however.
> 
> That election method where successively that candidate with the lowest
> Borda Score is eliminated is one of those election methods which have been
> proposed and discussed by Nanson (ca. 1882). This election method meets
> the Condorcet criterion and violates the monotonicity criterion, the
> consistency criterion, the reversal symmetry criterion, and the clone
> criteria.
> 
> Markus Schulze

-- 
Paul Dumais



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