[Election-Methods] How important is the Schwartz criterion? Also, what is the Landau set, and ho

John Wong johnwong00 at hotmail.com
Sat Sep 22 22:20:02 PDT 2007


Are possible winners outside the Schwartz set worse or better than the ones inside the Schwartz set?

> Date: Sun, 23 Sep 2007 10:57:34 +0930
> From: chrisjbenham at optusnet.com.au
> To: johnwong00 at hotmail.com
> Subject: Re: [Election-Methods] How important is the Schwartz criterion? Also, what is the Landau set, and ho
> 
> 
> Not that I know of, no.
> 
> John Wong wrote:
> 
> > Does the Schwartz set violate anything that the Smith doesn't violate?
> >
> >     ------------------------------------------------------------------------
> >     Date: Sat, 22 Sep 2007 17:45:17 -0500
> >     From: rboundless at gmail.com
> >     To: johnwong00 at hotmail.com
> >     Subject: Re: [Election-Methods] How important is the Schwartz
> >     criterion? Also, what is the Landau set, and ho
> >
> >     Hello, John.
> >
> >     I would say that it's not especially important.  Smith is
> >     important, because a method that fails Smith will also fail Local
> >     Independence of Irrelevant Alternatives.  However, as Markus
> >     Schulze once pointed out to me, requiring that the winner come
> >     from the Schwartz set won't offer a more robust sort of independence.
> >
> >     Raven
> >
> >     On 9/22/07, *John Wong* <johnwong00 at hotmail.com
> >     <mailto:johnwong00 at hotmail.com>> wrote:
> >
> >         That sorta answers my question about Landau, but what about
> >         the Schwartz criterion? Is it important?
> >
> >
> >
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