[EM] Voter strategising ability

Kristofer Munsterhjelm km_elmet at t-online.de
Thu Jul 24 12:51:13 PDT 2014


On 07/24/2014 08:05 PM, robert bristow-johnson wrote:
>
> Jameson, i am assuming you meant this for the list.
>
> *wow*!  i would have never expected a real-world election where it would
> have mattered (in the outcome) whether it was a Shulze or Ranked-Pairs
> Condorcet method.  not that the Romania 2009 was *any* Condorcet, but
> was it STV and is the ballot data available?  otherwise i would ask, how
> do we know how be the Smith set was?
>

The RangeVoting link ( http://rangevoting.org/Romania2009.html ) gives 
more detail. Romania uses top-two runoff, so many polls were of the form 
"if X and Y were left in the second round, which would you vote for?". 
With enough polls and statistical confidence, you can populate a 
Condorcet matrix from the poll results. In the Romanian case, doing so 
produced a Condorcet matrix with a large cycle.


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