Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-20 Thread Kristofer Munsterhjelm
Dave Ketchum wrote: On Fri, 17 Oct 2008 22:08:32 +0200 Kristofer Munsterhjelm wrote: Dave Ketchum wrote: I suggest a two-step resolution: Agree to a truce between Condorcet and Range, while they dispose of IRV as being less capable than Condorcet. Then go back to the war between Co

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-17 Thread Dave Ketchum
On Fri, 17 Oct 2008 22:08:32 +0200 Kristofer Munsterhjelm wrote: Dave Ketchum wrote: I suggest a two-step resolution: Agree to a truce between Condorcet and Range, while they dispose of IRV as being less capable than Condorcet. Then go back to the war between Condorcet and Range.

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-17 Thread Kristofer Munsterhjelm
Dave Ketchum wrote: I suggest a two-step resolution: Agree to a truce between Condorcet and Range, while they dispose of IRV as being less capable than Condorcet. Then go back to the war between Condorcet and Range. I think the problem, or at least a part of it, is that if we (the

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-15 Thread Dave Ketchum
On Wed, 15 Oct 2008 18:49:41 +0200 Kristofer Munsterhjelm wrote: Raph Frank wrote: On 10/9/08, Dave Ketchum <[EMAIL PROTECTED]> wrote: If there is a near tie among three or more, they often disagree but usually get one of the leaders - matters little since the leaders were about equall

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-15 Thread Jobst Heitzig
Dear Kristofer, you wrote: Since Condorcet is a majoritarian method (as it needs to be in order to be a good single-winner method) ... A good single-winner method *must not* be majoritarian but must elect C in the situation of 55% voters having A 100 > C 80 > B 0 and 45% vote

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-15 Thread Raph Frank
On Wed, Oct 15, 2008 at 5:49 PM, Kristofer Munsterhjelm <[EMAIL PROTECTED]> wrote: > Since Condorcet is a majoritarian method (as it needs to be in order to be a > good single-winner method), the resulting parliament would also be > majoritarian. This means that a party whose candidates consistentl

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-15 Thread Kristofer Munsterhjelm
Raph Frank wrote: On 10/9/08, Dave Ketchum <[EMAIL PROTECTED]> wrote: If there is a near tie among three or more, they often disagree but usually get one of the leaders - matters little since the leaders were about equally deserving. It matters because IRV reinforces the 2 party system.

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-13 Thread Terry Bouricius
heir hated choice. Terry Bouricius - Original Message - From: "Aaron Armitage" <[EMAIL PROTECTED]> To: Sent: Monday, October 13, 2008 6:58 PM Subject: Re: [EM] IRV vs Condorcet vs Range/Score --- On Mon, 10/13/08, Chris Benham <[EMAIL PROTECTED]> wrote: > From: Chris

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-13 Thread Aaron Armitage
--- On Mon, 10/13/08, Chris Benham <[EMAIL PROTECTED]> wrote: > From: Chris Benham <[EMAIL PROTECTED]> > Subject: [EM] IRV vs Condorcet vs Range/Score > To: "EM" > Date: Monday, October 13, 2008, 11:35 AM > >CB: Not necessarily, no. I have in mind something like > >(with sincere ratings): > > > >

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-13 Thread Raph Frank
On 10/13/08, Aaron Armitage <[EMAIL PROTECTED]> wrote: > Any strategically informed voter will give approval-like ratings, and will > approve the top two frontrunner he likes better, as well as any candidates > he prefers to that frontrunner, which means that the stated ratings will > look like

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-13 Thread Aaron Armitage
--- On Sun, 10/12/08, Chris Benham <[EMAIL PROTECTED]> wrote: > From: Chris Benham <[EMAIL PROTECTED]> > Subject: [EM] IRV vs Condorcet vs Range/Score > To: "EM" > Date: Sunday, October 12, 2008, 11:18 PM > >"Low social utility (SU)" Condorcet winners > with > >little solid support and depend

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-13 Thread Raph Frank
On 10/13/08, Chris Benham <[EMAIL PROTECTED]> wrote: > CB: Not necessarily, no. I have in mind something like (with sincere > ratings): > > 49: A(99) > C(2) > B(1) > 48: B(99) > C(2) > A(1) > 03: C(99) > A(98) > B(1) > > C is the CW, but A is a much more stable, much higher SU, arguably as > fa

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-12 Thread Aaron Armitage
--- On Sun, 10/12/08, Chris Benham <[EMAIL PROTECTED]> wrote: > From: Chris Benham <[EMAIL PROTECTED]> > Subject: IRV vs Condorcet vs Range/Score > To: "EM" > Cc: "Aaron Armytage" <[EMAIL PROTECTED]> > Date: Sunday, October 12, 2008, 11:01 AM > Aaron, > I agree that not electing a voted CW is

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-11 Thread Dave Ketchum
Hopefully we are picking a method that will: See the CW if one exists and thus elect that one. See the cycle if there is no CW, and elect the best member of the cycle. Identifying the best member of a cycle is difficult and method must be defined as part of choosing the method. On S

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-11 Thread Aaron Armitage
kings. --- On Sat, 10/11/08, Chris Benham <[EMAIL PROTECTED]> wrote: > From: Chris Benham <[EMAIL PROTECTED]> > Subject: Re: [EM] IRV vs Condorcet vs Range/Score > To: [EMAIL PROTECTED] > Date: Saturday, October 11, 2008, 10:30 AM > All possible Condorcet methods?  > &g

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-11 Thread Aaron Armitage
I think his point is that he prefers any and all Condorcet methods over IRV, and probably over any non-Condorcet method. I happen to agree. --- On Sat, 10/11/08, Chris Benham <[EMAIL PROTECTED]> wrote: > From: Chris Benham <[EMAIL PROTECTED]> > Subject: [EM] IRV vs Condorcet vs Range/Score > To:

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-09 Thread Dave Ketchum
On Thu, 9 Oct 2008 15:18:50 +0100 Raph Frank wrote: On 10/9/08, Dave Ketchum <[EMAIL PROTECTED]> wrote: If there is a near tie among three or more, they often disagree but usually get one of the leaders - matters little since the leaders were about equally deserving. This was part of my

Re: [EM] IRV vs Condorcet vs Range/Score

2008-10-09 Thread Raph Frank
On 10/9/08, Dave Ketchum <[EMAIL PROTECTED]> wrote: > If there is a near tie among three or more, they often disagree but > usually get one of the leaders - matters little since the leaders were about > equally deserving. It matters because IRV reinforces the 2 party system. it would be inte