RE: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread James Gilmour
[EMAIL PROTECTED] wrote: Now consider: 49 ACB 48 BCA 3 CBA IRV winner = B; CW winner = C. I doubt very much whether most electors would accept C as the winner if this were an election for Sate Governor, much less for a directly elected President of the USA. If anyone has

RE: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread James Gilmour
Curt Siffert wrote: I like this example a lot because I think it approaches the nut of what social choice should actually mean. The first case is pretty uncontroversial. What makes the second case interesting is that there's this psychological impact to it. This is the real issue. As

[EM] Web toy

2004-05-16 Thread bql
Hopefully this will be helpful to someone: http://bolson.org/voting/vote_form.html Submit a bunch of votes and it will be tallied according to IRV,Borda,Condorcet,IRNR and raw rating summation. It takes a slightly different format than things seem to be discussed around here. It wants columns

[EM] Markov chain approaches

2004-05-16 Thread Jobst Heitzig
Some addition: The second and third example I gave seem to be related to another Markov-chain method studied by Giora Slutzki and Oscar Volij (Scoring of web pages and tournaments - axiomatizations, Working paper, Iowa State University, 2003. Cited after Giora Slutzki and Oscar Volij: Ranking

RE: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread James Gilmour
James Gilmour wrote: 49 ACB 48 BCA 3 CBA James Green-Armytage replied: Well, if the votes were sincere to begin with, then it is axiomatic that C will win a runoff election against B. But if you did decide this by a separate run-off election, I should not be

Re: [EM] Markov chain approaches

2004-05-16 Thread bql
On Sun, 16 May 2004, Jobst Heitzig wrote: Neutrality: Now this is something I did not understand yet. Quote: Neutrality requires that if two problems are such that the ranking method cannot rank any player [that is, any option! JH] above another, then the ranking method should still be

RE: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread James Gilmour
Adam Thanks for your helpful comments. I think that such a vote could be marketed in a way that would make it relatively uncontroversial. In cases with no first-place majority winner, Condorcet chooses the compromise candidate with the broadest base of support. Maybe, but I remain VERY

[EM] Instant Runoff Normalized Ratings

2004-05-16 Thread Ken Johnson
Message: 1 From: [EMAIL PROTECTED] Date: Sat, 15 May 2004 23:09:19 -0700 (PDT) ... I'm writing today to tell about my new favorite system: Instant Runoff Normalized Ratings (IRNR) Every voter casts a rating of each choice on a scale of -1.0 to 1.0 or some equivalent scale. Each voter's voting

Re: [EM] Instant Runoff Normalized Ratings

2004-05-16 Thread Kevin Venzke
Brian, --- [EMAIL PROTECTED] a écrit : Every voter casts a rating of each choice on a scale of -1.0 to 1.0 or some equivalent scale. Each voter's voting power is normalized, each rating is divided by the sum of the absolute values of the ratings so that each voter has a voting power of 1.0

Re: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread Jan Kok
James Gilmour wrote: 49 ACB 48 BCA 3 CBA [and expressed doubts about whether the public would accept a voting system that chose C as the winner] What I see here is a highly polarized electorate. The A-first voters place B last, and vice versa. Both A-first and B-first voters consider C to

Re: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread James Green-Armytage
Curt Siffert [EMAIL PROTECTED] writes: Honestly, though, I don't believe the 3/49/48 scenario would ever happen in a political election. For a candidate to have gathered enough support to even compete in an election, he or she would have to have a significant amount of first-place supporters.

[EM] Election Methods and DanceSport

2004-05-16 Thread Xavier Mora
I would like to submit to the consideration of the EM list a paper that I've written recently in connection with election methods. I have made it available in http://mat.uab.es/~xmora/articles/iss2Aen.pdf . The paper is not motivated by political elections, but by dancesport competitions.

RE: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread James Gilmour
James Gilmour wrote: 49 ACB 48 BCA 3 CBA [and expressed doubts about whether the public would accept a voting system that chose C as the winner] What I see here is a highly polarized electorate. The A-first voters place B last, and vice versa. Both A-first and B-first voters

RE: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread James Gilmour
Curt Siffert [EMAIL PROTECTED] writes: Honestly, though, I don't believe the 3/49/48 scenario would ever happen in a political election. For a candidate to have gathered enough support to even compete in an election, he or she would have to have a significant amount of first-place

[EM] Nader won in Approval,, Plurality, and probably Condorcet.

2004-05-16 Thread MIKE OSSIPOFF
In the EM presidential poll that we voted on in February and March of this year, Nader won the Approval count. Nader was the only candidate to receive Approval votes from everyone who voted. Nader pairwise-beat his 3 main Approval runners-up (Kucinich, Chomsky Camejo), and probably everyone.

[EM] Shutting down Yahoo Groups access; this group is not hosted at Yahoo

2004-05-16 Thread Rob Lanphier
Hi everyone, After making repeated attempts to contact Yahoo, with no response, I'm shutting down the Yahoo Groups access to the election-methods-list. A little background, as I remember it (I may have some of the details wrong). Back in 1998, findmail.com started archiving this mailing list,

[EM] NES--Quick Preliminary Reply

2004-05-16 Thread MIKE OSSIPOFF
Jobst-- As I say in the subject-line, this is just a quick preliminary reply: You wrote: I wonder whether I understand the NES stuff right. Let me consider a very simple example: 3 options A,B,C, 3 voters, sincere preferences are complete and strict rankings, base method is plurality. I reply: Ok,

[EM] Proxy situation question reply

2004-05-16 Thread MIKE OSSIPOFF
The question was: Who is A's proxy in an A-B-C-A loop? A is out of luck, if that's all the information there is. But you suggested that voters might have also indicated a ranking of proxies. Yes, I suggested two ways of doing it: 1. The voter V indicates a ranking of proxies, so that if hir 1st

Re: [EM] Proxy

2004-05-16 Thread Adam Tarr
Curt Siffert wrote: The flaw to other schemes that I keep bumping my head against is that proportional representation disenfranchises the people below the cutoff point, even though their views might still be valuable. But DD by itself isn't good either because it just gets so unwieldy in the

[EM] Efforts to improve on CR's strategy

2004-05-16 Thread MIKE OSSIPOFF
Ken Johnson wrote: As I understand it, the main problem with CR is that it is strategically equivalent to Approval. I reply: That might be a problem to those who don't like Approval. But to those of us who like Approval, CR's strategic equivalence to Approval isn't a problem. It's what makes CR

[EM] IRNR

2004-05-16 Thread MIKE OSSIPOFF
Brian Olson-- You probably have written a better method than IRV. You wrote: Instant Runoff Normalized Ratings (IRNR) Every voter casts a rating of each choice on a scale of -1.0 to 1.0 or some equivalent scale. Each voter's voting power is normalized, each rating is divided by the sum of the

Re: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread Bart Ingles
James Gilmour wrote: Now consider: 49 ACB 48 BCA 3 CBA IRV winner = B; CW winner = C. I doubt very much whether most electors would accept C as the winner if this were an election for State Governor, much less for a directly elected President of the USA. If anyone has evidence to

Re: [EM] IRV's majority winner. What if we let the people choose?

2004-05-16 Thread Adam H Tarr
Now consider: 49 ACB 48 BCA 3 CBA IRV winner = B; CW winner = C. I doubt very much whether most electors would accept C as the winner if this were an election for State Governor, much less for a directly elected President of the USA. If anyone has evidence to the contrary I'd like