Re: Resoluteness? (was Re: [EM] river, ROACC (terminolgy, again))

2004-08-28 Thread Adam Haas Tarr
>>> I don't believe the public will be willing to discard >>> the resoluteness (a.k.a. "single-winner") criterion. >> >> There could be an alternate method of election >> (e.g. House of Representatives) in the case of a tie. > >I call the combination one method. Yes, it's >a "compound" method,

Re: Resoluteness? (was Re: [EM] river, ROACC (terminolgy, again))

2004-08-28 Thread Adam Haas Tarr
>James G-A wrote: >> [EMAIL PROTECTED] writes: >>> Aren't all the voting methods we've been promoting >>> both anonymous and neutral? Doesn't that mean >>> none of them are entirely non-random? >>> >>> 50%: A > B >>> 50%: B > A >> >> Actually, I might prefer voting methods which repor

RE: STV-PR Re: [EM] Using weights to compensate multiple votes (It'smostlyabout PR)

2004-08-25 Thread Adam Haas Tarr
I agree with everything James wrote, I'd just like to make an addition. James Gilmour wrote: >Dr.Ernie Prabhakar > Sent: Wednesday, August 25, 2004 4:30 PM > >> But, with PR, it can get quite complicated. Has anyone thought about >> the 'fairest' way to maximize locality while preserving PR?

Re: [EM] Switzerland, Runoffs, and Multi-Party Systems

2004-07-30 Thread Adam Haas Tarr
>Can somebody answer definitely how Switzerland elects the upper house of >its parliament? I seem to recall reading somewhere that in the Council of >States (their version of the Senate, with each canton (their word for >state) having 2 seats) is elected by "majority vote", and that apparently >th

Re: [EM] Displaying intermediate results in Condorcet-based elections (re: Rob Brown's original question)

2003-10-29 Thread Adam Haas Tarr
>I think they want something more distilled and that instantly communicates, >as does a bar graph of scores. If I take a quick look at a vote matrix, it >doesn't really communicate very much to me. This is not because I am >stupid or don't understand what the matrix represents (obviously I do)

Re: [EM] Intro to list (etc)

2003-10-26 Thread Adam Haas Tarr
>Hi all, > >I have lurked on this list on and off for a few years (the whole Nader >thing in 2000 really got me interested in how thorougly broken plurality >systems are). Now I'm working on a web-based Condorcet based election >system, so I figured I'd drop in and introduce myself, and see if

Re: [EM] Intro to list (etc)

2003-10-26 Thread Adam Haas Tarr
>Here is what I would use. Compute the results using beatpath, aka Schulze, as >oppose to Ranked Pairs (aka Tideman). Then display the winning candidate, along >with the number of votes on his weakest beatpath. Then display the remaining >candidates in order of strongest beatpath against the

Re: [EM] Cheering for simplicity/Orphan

2003-08-21 Thread Adam Haas Tarr
This method isn't really that bad, but: 1) I don't think any serious Condorcet advocates think this is a better way to resolve circular ties than ranked pairs or beatpath. 2) Since it is a Condorcet-compliant method, it shares all the weaknesses that all Condorcet methods have in the eyes of th

Re: [EM] serious strategy problem in Condorcet but not in IRV?

2003-08-21 Thread Adam Haas Tarr
> A buriesA truncates A sincere >B buries C wins C wins B wins >B truncatesC wins C wins AB equal >B sincere A wins AB equalAB equal Truncation is a dominated strategy (it never beats sincerity). So you can basically get rid of Truncation and

RE: [EM] Request comments on MMP?

2003-08-14 Thread Adam Haas Tarr
Olli wrote: >D'Hondt favours large parties, Sainte-Laguë is neutral, modified >Sainte-Laguë makes the first seat more difficult, which favours >larger parties. > >If we regard both methods as algorithms to find a suitable quota, >d'Hondt rounds down, while Sainte-Laguë (Webster's) rounds off. W

Re: [EM] Summability

2003-07-24 Thread Adam Haas Tarr
Kevin wrote and Markus responded: >> I'm surprised to read this. I thought "simple strategy" was a >> virtue for an electoral method. Surely runtime isn't considered >> a serious issue for summable methods...? > >No! It is a desirable property that there is no simple way to >manipulate the resul

Re: [EM] IRV vs Condorcet

2003-07-24 Thread Adam Haas Tarr
I wrote: >>Bush 49% >>Gore>Nader 24% >>Nader>Gore 27% > >Fair enough: I guess my point is that Nader is also not an irrelevant >alternative, neither in the strict sense nor even in the local sense. Er... well, Nader is an irrelevant alternative in the strict sense. In margins, his addition cau

Re: [EM] IRV vs Condorcet

2003-07-24 Thread Adam Haas Tarr
Markus wrote: >Gore and Nader are no clones in your example. They would have been clones >only when this example had looked as follows: > >Bush 49% >Gore>Nader 24% >Nader>Gore 27% Fair enough: I guess my point is that Nader is also not an irrelevant alternative, neither in the strict sense nor e

Re: [EM] Arrow's Theorem.

2003-07-14 Thread Adam Haas Tarr
Wow, Eric went to the source and got the answer. Good work. So, Arrow's original approach to the theorem could be summed up like this: 1) monotonicity + IIA => Pareto Efficiency. 2) IIA + Pareto Efficiency => Dictatorship And you could skip the first step if you like. Alex's interpretation (