Re: [EM] Helping a candidate in the case of ties

2009-11-26 Thread Kristofer Munsterhjelm
Dave Ketchum wrote: Of course, you have to read the voter's mind to know if the change might have been seen as desirable. I was into tactics. So was I. Consider the monotonicity (mono-raise) criterion, which is defined as: raising a candidate x on some ballots on which x is listed should

Re: [EM] IRV is best method meeting 'later no harm'?

2009-11-26 Thread seppley
Can it be said that Later No Harm (LNH) is satisfied by the variation of IRV that allows candidates to withdraw from contention after the votes are cast? Similar to truly condorcetian methods, Withdrawal//IRV would presumably tend to elect candidates who take median positions on the issues. That

[EM] Minneapolis instant runoff voting - lowest turnout since 1902

2009-11-26 Thread Kathy Dopp
http://instantrunoff.blogspot.com/2009/11/minneapolis-instant-runoff-voting.html November 26, 2009 Minneapolis instant runoff voting - lowest turnout since 1902 Minneapolis had its first instant runoff voting election on Nov 3, and had the lowest voter turnout since 1902, well over a hundred

Re: [EM] IRV is best method meeting 'later no harm'?

2009-11-26 Thread Raph Frank
On Thu, Nov 26, 2009 at 8:52 PM, sepp...@alumni.caltech.edu wrote: Similar to truly condorcetian methods, Withdrawal//IRV would presumably tend to elect candidates who take median positions on the issues.  That would create an incentive for candidates who want to win to take median positions.

Re: [EM] IRV is best method meeting 'later no harm'?

2009-11-26 Thread Kristofer Munsterhjelm
sepp...@alumni.caltech.edu wrote: Can it be said that Later No Harm (LNH) is satisfied by the variation of IRV that allows candidates to withdraw from contention after the votes are cast? I'm not sure. In the wider picture, the candidates would use the ballot data in order to determine

Re: [EM] IRV is best method meeting 'later no harm'?

2009-11-26 Thread Jonathan Lundell
On Nov 26, 2009, at 12:52 PM, sepp...@alumni.caltech.edu wrote: Can it be said that Later No Harm (LNH) is satisfied by the variation of IRV that allows candidates to withdraw from contention after the votes are cast? Assuming that the candidates know what the ballots did, then no, it cannot,

Re: [EM] IRV is best method meeting 'later no harm'?

2009-11-26 Thread James Gilmour
sepp...@alumni.caltech.edu wrote: By the way, if my understanding is correct, IRV is not Single Transferable Vote (STV), the single-winner voting method used in Australia Ireland. IRV severely limits the number of candidates each voter can rank (to 3, if my understanding is correct)

Re: [EM] Helping a candidate in the case of ties

2009-11-26 Thread Dave Ketchum
On Nov 26, 2009, at 10:59 AM, Kristofer Munsterhjelm wrote: Dave Ketchum wrote: ... One thought I had was a base from which to think of more-or-less controllable changes: Start with equal size parties and all members doing bullet voting - result is a tie with all candidates getting