[EM] Re: Nanson and Borda

[Kevin Venzke]

Rob,
 --- Rob LeGrand <honky1998 at yahoo.com> a écrit : 
> I call this method Baldwin to reserve the name Nanson for the method that
> eliminates all candidates with below-average Borda counts at each step;
> this usage is taken from Dimitri Vandercruyssen's paper "Analysis of Voting
> Procedures in One-Seat Elections: Condorcet Efficiency and Borda
> Efficiency" at
> http://www.econ.kuleuven.ac.be/ew/admin/Publications/DPS99/DPS9911.pdf . 

Interestingly, on page six, the footnote implies he doesn't know where "Baldwin"
comes from, except that it was on one John Taplin's website.

> Both methods always choose the voted Condorcet winner when it exists and
> always choose from the Smith set regardless.  Nanson is superior to Baldwin
> in social utility given sincere votes according to my simulations.

Do you know why it would be, that you obtain superior results by eliminating more
candidates at once?

Kevin Venzke
stepjak at yahoo.fr


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