Re: [EM] Does Top Two Approval fail the Favorite Betrayal Criterion [?]

2013-06-13 Thread Kristofer Munsterhjelm
On 06/08/2013 10:16 PM, Chris Benham wrote: Yes. Say there are three candidates: Right, Centre-Right and Left, and the approval votes cast are 49: Right 21: Centre-Right (all prefer Right to Left) 23: Left 07: Left, Centre-Right (sincere favourite is Left) Approval votes: Right 49, Left

[EM] Focus of runoffs?

2013-06-13 Thread Kristofer Munsterhjelm
Say we have an organization or government that wants to use a better type of two-round runoff than top-two Plurality. What kind of distribution should the candidates for the second round have? To be a little more specific, and to make the concept a bit easier to think about, consider a top-n

Re: [EM] Electorama wiki requires login to view????

2013-06-13 Thread Michael Allan
Jameson said: I think we could have plenty of question captchas of the form: * What letters are missing in E_ecto_ama (in order, no spaces)? * What letters are missing in Gibba_d-Satterth_aite http://wiki.electorama.com/wiki/Gibbard-Satterthwaite_theorem (in order, no spaces)?

Re: [EM] Does Top Two Approval fail the Favorite Betrayal Criterion [?]

2013-06-13 Thread Abd ul-Rahman Lomax
At 02:46 AM 6/13/2013, Kristofer Munsterhjelm wrote: Finally, I'd like to say that I do understand that reality is a lot less neat. What Abd says about differences in turnout in the first and second rounds of a runoff means that criteria are not as useful as for single-round methods because

Re: [EM] Focus of runoffs?

2013-06-13 Thread Abd ul-Rahman Lomax
At 03:15 AM 6/13/2013, Kristofer Munsterhjelm wrote: Say we have an organization or government that wants to use a better type of two-round runoff than top-two Plurality. What kind of distribution should the candidates for the second round have? To be a little more specific, and to make the

Re: [EM] Median systems, branding, and activism strategy

2013-06-13 Thread Abd ul-Rahman Lomax
At 06:24 PM 6/12/2013, Jameson Quinn wrote: Uh, Score systems can ba amagalamated as median or as average or as sum. This isn't the misunderstanding I was talking about, but by saying Score with a capital S I was referring to a summed or averaged system. The latter fits most closely with

Re: [EM] Median systems, branding, and activism strategy

2013-06-13 Thread Jameson Quinn
I just had a minor realization. As I said to Abd, his Bucklin-ER (as I understand it) has slightly less resistance to the chicken dilemma than GMJ, because the Bucklin-ER tiebreaker effectively ends up focusing slightly below the median in the grade distribution, while GMJ focuses on a region

[EM] A better 2-round method that uses approval ballots

2013-06-13 Thread Chris Benham
  I just want to repeat a suggestion I've made here more than once.  Take my previous example where the Centre-Right candidate is elected due to some of the Left candidate's supporters using the Compromise strategy. 49: Right 28: Centre-Right (7 are sincere LeftCentre-Right) 23: Left