[EM] Why SFC is better than Condorcet's Criterion

MIKE OSSIPOFF nkklrp at hotmail.com
Fri Oct 7 18:58:45 PDT 2005


I said this before, but it deserves emphasis:

Condorcet's criterion only applies when everyone votes sincerely. SFC 
applies if the majority to whom it makes its guarantee vote sincerely. In 
other words, it stipulates only that you and a majority that you're in vote 
sincerely, while Condorcet's Criterion stipulates that your opponents vote 
sincerely too.

It's obvious which is more useful and more believable.

The guarantees made by those criteria are very similar. It could be said 
that SFC's guarantee is a little better, since its guarantee that no one you 
like less than the CW will win means that if there's a unique winner it will 
be either the CW or someone you like better. But in any case, it certainly 
isn't less of a guarantee.

Obviously the same comparison can be made between the Smith Criterion and 
GSFC.

Mike Ossipoff

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