[Icehouse] IGDC rankings idea

Marc Hartstein marc.hartstein at alum.vassar.edu
Wed Feb 20 16:12:20 EST 2008


On Wed, Feb 20, 2008 at 01:11:16PM -0500, Dale Sheldon wrote:
> I feel (again, this is MHO), that the Condorcet criteria is a very 
> important one for an election method to satisfy; most point-based methods 
> (and instant runoff voting and plurality voting) don't meet it.  The trick 
> with Condorcet is that it isn't complete: Condorcet alone only tells us, in 
> this election, that Martian Gunslingers shouldn't win; it can't decide 
> among the others.  It was a VERY close election.  Ranked pairs is a 
> so-called "Condorcet completion" method, a tie-breaker if you will, that 
> tries to pick its way through the sticky minefield of a Condorcet "circular 
> ambiguity"; at that point, the only gurantee is that a lot of voters will 
> be pissed off ;)

Might it be preferable to just allow a "tie" situation when there's a
circular ambiguity?

I'm inclined to agree that an election method which doesn't yield the
Condorcet equilibrium is probably not answering the question we want to
ask.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.looneylabs.com/pipermail/icehouse/attachments/20080220/2fa17a82/attachment.bin


More information about the Icehouse mailing list