[EM] Markus, criteria similiar to majority rule definition
MIKE OSSIPOFF
nkklrp at hotmail.com
Mon Mar 28 22:55:43 PST 2005
Markus--
You said:
Then I proposed the following criterion in 1997:
If p(wv)[A,B] > V/2 and p(wv)[B,A] < V/2,
then candidate B must be elected with zero
probability.
Steve Eppley proposed the following criterion in 2000:
If d[A,B] > V/2 and p(wv)[B,A] < V/2,
then candidate B must be elected with zero
probability.
I reply:
Yes, but to outdo a majority pairwise vote, it's necessary for that MPV to
be in a cycle of MPVs _all of which are at least as strong as it is_.
That's how my majority rule definition differs from your criterion and from
Steve's Beatpath Criterion.
By the way, Steve's Beatpath Criterion is very useful for determining
compliance with the majority defenisive strategy criteria. A method that
meets BC meets all the majority defensive strategy criteria. I've never
defined BC in a universallly applicable way, because I've only used it for
testing rank methods for compliance with the majority defensive strategy
criteria.
Mike Ossipoff
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