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Steve Eppley wrote:
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<pre wrap="">Mike R wrote:
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<pre wrap="">Steven B wrote:
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<pre wrap="">Does this group, or anyone here,
advocate Kemeny's method?
</pre>
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<pre wrap="">I personally like it the best of all the methods
I've seen, except for the "NP-hard" part. I'll
advocate it without reservation when quantum
computers become available. :)
</pre>
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<pre wrap=""><!---->
The obvious question is, why prefer Kemeny's method?
What criteria does it satisfy that other methods fail
that are more important than the criteria other methods
satisfy that Kemeny fails?
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<br>
I like Kemeny-Young is because it has many of what I consider "must
have" voting characteristics (Condorcet and Extended Condorcet,
especially), plus it removes voting cycles, is resistant to voting
manipulation, and it orders all of the candidates (useful when more
than one candidate can win or when an elected candidate cannot serve).<br>
<br>
Of course, like any voting method there are ways to get illogical
outcomes and it can ignore ballot orders that are "illogical" compared
to the majority (this is how it resists manipulation, so it's a mixed
blessing/curse), and it is extremely difficult to compute for many
voters/candidates. According to
<a class="moz-txt-link-freetext" href="http://condorcet.org/emr/methods.shtml#Kemeny-Young">http://condorcet.org/emr/methods.shtml#Kemeny-Young</a> , it's also
vulnerable to compromising, burying, and crowding.<br>
<br>
It's not a religious belief, though (grin), so I'm willing to change my
mind in the face of convincing evidence. If there is a method you
prefer, you might show me an example of how Kemeny gets it wrong
compared to your favorite method. Or if you like, you can let me know
what method you think is better and I can try to come up with an
example where Kemeny-Young is superior (though I'm at work <on
lunch> now so it may be awhile, and remember it's an NP-hard problem
so no fair piling on the candidates/voters).<br>
<br>
Mike Rouse<br>
<a class="moz-txt-link-abbreviated" href="mailto:mrouse@internetcds.com">mrouse@internetcds.com</a><br>
<br>
PS I would support legislation for any Condorcet-compliant method if it
came up for a vote, since the probable difference between methods that
satisfy that are probably a few percent at best.<br>
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