[EM] Webster-flavored multiwinner method

2009-05-01 Thread Kristofer Munsterhjelm
I've been meaning to show this, but I haven't tested and implemented it yet. Still, perhaps it would give good results. The method is as follows. First, determine ranked votes' solid coalitions, as in DSC and DAC. Then determine the divisor d. Each coalition deserves the minimum of the number

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread James Gilmour
Raph Frank Sent: Thursday, April 30, 2009 6:33 PM Also, I think later no harm basically means won't compromise. I am not sure that it is even a desirable criterion for a method to have and think that the fact that a method that doesn't meet later no harm is a not major issue. I don't

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread Raph Frank
2009/5/1 James Gilmour jgilm...@globalnet.co.uk: One problem with abandoning LNH is that it opens the way for strategic voting, that is, when a voter ranks the candidates in some order other than the sincere 'first to last' order of preference because the voter knows that some feature of

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread Jonathan Lundell
On May 1, 2009, at 6:02 AM, Raph Frank wrote: 2009/5/1 James Gilmour jgilm...@globalnet.co.uk: One problem with abandoning LNH is that it opens the way for strategic voting, that is, when a voter ranks the candidates in some order other than the sincere 'first to last' order of preference

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread Raph Frank
On Fri, May 1, 2009 at 3:56 PM, Jonathan Lundell jlund...@pobox.com wrote: The strategy is effectively identical in both versions, despite the difference in form. That is, in both your mechanisms it seems apparent on the face of it that a voter would not have a motivation, strategic or

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread Kristofer Munsterhjelm
Jonathan Lundell wrote: On May 1, 2009, at 6:02 AM, Raph Frank wrote: 2009/5/1 James Gilmour jgilm...@globalnet.co.uk: One problem with abandoning LNH is that it opens the way for strategic voting, that is, when a voter ranks the candidates in some order other than the sincere 'first to

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread Raph Frank
On Fri, May 1, 2009 at 6:53 PM, Kristofer Munsterhjelm km-el...@broadpark.no wrote: If there are two seats and the left and right factions are of equal size, and both have respective centrists, the outcome should have a left centrist (which is close to the median voter of the left faction) and

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread Kristofer Munsterhjelm
Raph Frank wrote: On Fri, May 1, 2009 at 6:53 PM, Kristofer Munsterhjelm km-el...@broadpark.no wrote: If there are two seats and the left and right factions are of equal size, and both have respective centrists, the outcome should have a left centrist (which is close to the median voter of the

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread Raph Frank
On Fri, May 1, 2009 at 8:27 PM, Kristofer Munsterhjelm km-el...@broadpark.no wrote: The problem in using any other method than Plurality for counting the votes in an STV method is that of elimination. If someone votes for A with strength 1 and B with strength 0.5, and A wins, then how much do

Re: [EM] PR-STV with approval based elimination

2009-05-01 Thread Dan Bishop
Kristofer Munsterhjelm wrote: The problem in using any other method than Plurality for counting the votes in an STV method is that of elimination. If someone votes for A with strength 1 and B with strength 0.5, and A wins, then how much do you downweight that voter? The A voters should be