Rob,
--- Rob LeGrand <[EMAIL PROTECTED]> a écrit :
> Kevin, could you post an example that gives a favorite-betrayal
> incentive under margins but not winning-votes?
I believe this works:
49 A>C
24 B
27 C>B
Margins elects A. If the 27 C>B voters reverse this to B>C, then B
is the Condorcet winner. It's inadequate for them to vote C=B.
Under WV, B wins in the first place.
If we suppose that the A>C voters want to at least elect C under WV,
it is sufficient for them to vote A=C.
The specifics of my simulation were: One randomly-sized faction first
voted A=B. Then the election was run again with these ballots changed to
A>B. If this changed the winner from someone outside {a,b} to A or (in
a non-monotonic method) B, this trial counted as a failure.
Kevin Venzke
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