Let's see:
A Condorcet method finds the candidate which would beat each other
candidate in a run-off election, assuming such a candidate exists. Thus
such a method meets the Condorcet criterion.
Having copied such from Wikipedia, don't seem like I grabbed much.
Having no such candidate, we have a cycle of three or more leaders in a
near tie and debate how to pick from them.
Perhaps Chris is into this debate, which I agree is important but am trying
to keep out of this thread, whose business is IRV vs non-IRV.
Perhaps there are other exceptions.
DWK
On Fri, 10 Oct 2008 13:26:55 -0400 Terry Bouricius wrote:
Dave,
You are using the term "Condorcet" in a way that is increasingly common,
but confusing to election method theorists, to mean a ranked voting method
that is easiest to explain by imagining a series of one-on-one comparisons
using a ranked ballot. What Chris B. was getting at is that Condorcet is a
CRITERION (in fact there is also a Condorcet-loser criterion, which I
think is more useful), which is used in evaluating voting methods, rather
than an actual voting method itself. There are probably a dozen different
voting methods that are Condorcet compliant, and many others that aren't
(complying with other criteria that some believe are more crucial). The
issue separating the various Condorcet methods is how you find a winner
when there is no Condorcet winner.
Terry Bouricius
----- Original Message -----
From: "Dave Ketchum" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>; "EM"
<election-methods@lists.electorama.com>
Sent: Friday, October 10, 2008 1:02 PM
Subject: Re: [EM] [RangeVoting] IRV vs Condorcet vs Range/Score
Took a while to decipher what you meant.
Others seem to realize my topic is Condorcet vs IRV, both almost twin rank
methods.
While I do have preferences among methods, this thread is into those two
without considering what else I might prefer.
DWK
On Thu, 9 Oct 2008 21:59:11 -0700 (PDT) Chris Benham wrote:
Dave Ketchum wrote:
I started this thread to compare IRV vs Condorcet, believing that IRV is
provably less capable and deserves discarding.
Dave,
Comparing a decisive method with a criterion is a bit like comparing a
person with "virtue". As soon as you tell us which *decisive method*
you support I will be happy to discuss its comparison with IRV.
Or failing that, perhaps you could give us some clue as to what method
you support by telling us some other criteria besides the Condorcet
Criterion
that you think a method should meet.
Chris Benham
--
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Dave Ketchum 108 Halstead Ave, Owego, NY 13827-1708 607-687-5026
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