[EM] The general form of Quick Runoff

2010-05-24 Thread Chris Benham
Kevin, This new Quick Runoff (QR) method suggestion of yours does nothing to shake my opinion that IRV is the best LNHarm method. Monotonicity: We still have an unusual monotonicity problem in that a candidate who lacks a majority over the candidate previous to him in first-preference order,

Re: [EM] The general form of Quick Runoff

2010-05-24 Thread Juho
On May 23, 2010, at 5:14 AM, Kevin Venzke wrote: Hello, I realized that QR can be generalized for any number of candidates and still retain LNHarm, Plurality, and resistance to the usual type of burial strategy. To me this makes the method surprisingly good. The philosophy is to elect the

[EM] The general form of Quick Runoff

2010-05-24 Thread C.Benham
Juho wrote (23 May 2010): snip / 1. Rank the candidates. Truncation is allowed. Equal ranking is not // planned for (but we could come up with something). // 2. Label the candidates A, B, C, ... Z in descending order of first // preference count. // 3. Let the current leader be A. // 4.

Re: [EM] The general form of Quick Runoff

2010-05-24 Thread Kevin Venzke
Hi, I just want to confirm that A does indeed win both of these in QR: 6: AC 5: BA 2: CB 2: C 6: AC 5: BA 2: CB 2: CA The two voters' new preference gives A a majority over B, but in the absence of a majority previously, A won by default. Kevin Election-Methods mailing list -

Re: [EM] The general form of Quick Runoff

2010-05-24 Thread Jameson Quinn
I like this method, and would like to discuss the behavior with the simple three-candidate center squeeze scenario, as compared to IRV. If IRV falls victim to center squeeze, then the centrist candidate is candidate C in QR. Thus, for them to win, two things must happen: B has a majority win over

Re: [EM] The general form of Quick Runoff

2010-05-24 Thread Juho
True, I missed the majority part. Juho On May 24, 2010, at 10:38 AM, C.Benham wrote: Juho wrote (23 May 2010): snip 1. Rank the candidates. Truncation is allowed. Equal ranking is not planned for (but we could come up with something). 2. Label the candidates A, B, C, ... Z in descending

Re: [EM] The general form of Quick Runoff

2010-05-24 Thread Kevin Venzke
Hi Chris, --- En date de : Lun 24.5.10, C.Benham cbenha...@yahoo.com.au a écrit : But in contrast to e.g. SPST, a small center candidate can't be so easily sunk by the presence of a stronger but futile extremist candidate. So I do see improvement here. I'd be interested in seeing a 3-candidate

Re: [EM] The general form of Quick Runoff

2010-05-24 Thread Kevin Venzke
Hi Jameson, --- En date de : Lun 24.5.10, Jameson Quinn jameson.qu...@gmail.com a écrit : I like this method, and would like to discuss the behavior with the simple three-candidate center squeeze scenario, as compared to IRV. If IRV falls victim to center squeeze, then the centrist candidate is

[EM] The general form of Quick Runoff

2010-05-22 Thread Kevin Venzke
Hello, I realized that QR can be generalized for any number of candidates and still retain LNHarm, Plurality, and resistance to the usual type of burial strategy. To me this makes the method surprisingly good. The philosophy is to elect the candidate with the fewest first-preferences (think