[EM] IRV vs Condorcet - a challenge
davek at clarityconnect.com
Tue Jun 13 13:06:30 PDT 2006
On Mon, 12 Jun 2006 23:36:45 -0500 Dan Bishop wrote:
> Dave Ketchum wrote:
>> Permitting equal ranking for multiple candidates. Desirable for
>>pleasing those who call Approval desirable; doable with Condorcet, though
>>there can be arguments as to counting' Not doable as practical for IRV
>>(explain how if you disagree).
> Some simple ways of dealing with equal rankings in IRV/STV are:
> (1) "Transferrable Cumulative Vote" - If there are N top-ranked
> non-eliminated candidates on a ballot, then each candidate receives 1/N
> of a vote. (This is what I used in my STV-CLE calculator.)
Looks fair - weakens the best liked candidate while giving the others extra.
> (2) "Transferrable Approval Vote" - Each top-ranked non-eliminated
> candidate on a ballot receives 1 vote.
NOT fair - gives each such candidate an extra boost.
> (3) Convert every ballot into a fully-ranked one by breaking ties at random.
davek at clarityconnect.com people.clarityconnect.com/webpages3/davek
Dave Ketchum 108 Halstead Ave, Owego, NY 13827-1708 607-687-5026
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