[EM] Approval/Condorcet Compromise
gervase.lam at group.force9.co.uk
Fri May 27 19:14:27 PDT 2005
> Date: Sat, 12 Mar 2005 17:06:44 -0800 (PST)
> From: Forest Simmons
> Subject: [EM] Approval/Condorcet Compromise
> Kevin's Approval Runoff in which low approval candidates are eliminated
> until there is a Condorcet Winner, can also be described as follows:
> Pick the lowest approval score candidate that beats all of the
> candidates with greater approval scores.
I assume this is equivalent to Reynaud(Approval)?
I sort of followed this thread for quite a while. While following the
thread, I began to notice that the Approval cut-off always stays in the
After each candidate is eliminated, wouldn't it make more sense to move
the Approval cut-off up (or down) by one candidate on a ballot if the
candidate that was eliminated was below (or above) the cut-off on the
ballot. This is why I prefer something like:
> One could dispense with approval if ballots are to be strictly ordinal
> List the candidates in order of average rank, from lowest to highest.
> Go up the list until you first come to a candidate that is not beaten
> pairwise by any candidate further up the list.
I also thought that may be MinMax(pairwise opposition) could be used
instead of Approval. But then this is equivalent to Reynaud(pairwise
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