Re: [EM] Advocacy of Kemeny's method

2004-09-15 Thread [EMAIL PROTECTED]
Steve Eppley wrote: Mike R wrote: Steven B wrote: Does this group, or anyone here, advocate Kemeny's method? I personally like it the best of all the methods I've seen, except for the "NP-hard" part. I'll advocate it without reservation when

[EM] Does this implement AERLO without recounts?

2004-09-15 Thread Ted Stern
I've been pondering how to implement something like Mike Ossipoff's AERLO idea without requiring a recount, the object being to discourage bullet-voting and burying tactics and encourage sincere ranking. Let's assume there is a ranked-choice ballot for N candidates allowing equal ranking. The

[EM] are ranked pairs and river Schwartz-consistent?

2004-09-15 Thread James Green-Armytage
Dear election methods fans, I've often heard that ranked pairs is Schwartz consistent, but today I've been wrestling with an example where it doesn't seem to be. Hopefully I'm just making a mistake somewhere. First of all, by Schwartz, I mean in particular Schwartz's union of

Re: [EM] are ranked pairs and river Schwartz-consistent?

2004-09-15 Thread Steve Eppley
Hi, James G-A wrote: I've often heard that ranked pairs is Schwartz consistent, -snip- No, but it elects within the top cycle, which is nearly the same. As far as I can tell, the GOCHA set in this example is only {A}. A is surely undominated, and I cannot find any other

Re: [EM] are ranked pairs and river Schwartz-consistent?

2004-09-15 Thread Jobst Heitzig
Dear James! I don't think you made a mistake with that example, only you forgot to apply some sophisticated tiebreaker to the tie! Both ranked pairs and river should use Steve's random voter hierarchy technique to resolve that tie, so that essentially we get another non-majoritarian defeat AR or