[EM] Voting Theory and Populism clarification

[Kevin Venzke]

Hi Raph,

--- En date de : Dim 19.10.08, Raph Frank <raphfrk at gmail.com> a écrit :
> On Sun, Oct 19, 2008 at 4:29 PM, Kevin Venzke
> <stepjak at yahoo.fr> wrote:
> > Actually even if exactly one candidate had majority
> approval, that would
> > not guarantee that they would win a runoff.
> 
> It would depend on strategy.  However, if exactly one
> candidate has
> majority approval and nobody else does, then that should
> mean that he
> is preferred to anyone else by a majority.
> 
> The only way it isn't true is if some voters approved
> the candidate
> and the didn't approve a candidate that they preferred
> more.

Consider these sincere preference orders:

40 A>B>C
20 B>A>C
40 C>B>A

I can't see any reason why it couldn't be expected that only A will
receive majority approval, but B would defeat A in a runoff.

Kevin Venzke

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