[EM] Issues with the Majority Criterion

2008-10-16 Thread Greg Nisbet
What is the meaning of the +? =should have been +1 =I did not hit the 1 key hard enough I would say it is that if X is ranked/rated strictly first by more than half of the voters, then X should win. =What would co-first candidates imply? If the method doesn't satisfy FBC, how can this be

[EM] Worst Voting Method

2008-10-16 Thread Chris Benham
I don't see antiplurality as much worse than FPP. Antiplurality  (vote against one, candidate with fewest votes wins) meets Majority Loser  and  Strong Favourite  Betrayal. Very bad is the Supplementary Vote used to elect some mayors in the UK.   It is like the Contingent Vote  (one trip to the

[EM] Range versus Condorcet

2008-10-16 Thread Greg Nisbet
--- En date de?: Mer 15.10.08, Greg Nisbet [EMAIL PROTECTED] a ?crit?: On the topic of whether there is a method that satisfies both Condorcet and FBC. There is not. I believe I have demonstrated this in the past, by modifying a Woodall proof that shows Condorcet to be incompatible with

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Jobst Heitzig
Dear Greg, I will focus on the question of majoritarianism in this message. First my working definition of majoritarian method: A method is majoritarian if for every option X and every group G consisting of more than half of the voters, there is a way of voting for G which makes sure X wins

Re: [EM] Issues with the Majority Criterion

2008-10-16 Thread Raph Frank
Greg, I am not sure if it is you email tool, but your posts don't seem to be threading correctly for me. On Thu, Oct 16, 2008 at 7:20 AM, Greg Nisbet [EMAIL PROTECTED] wrote: I would say it is that if X is ranked/rated strictly first by more than half of the voters, then X should win. =What

Re: [EM] Fixing Range Voting

2008-10-16 Thread Brian Olson
On Oct 15, 2008, at 1:59 PM, Peter Barath wrote: I'm not sure I would vote honestly in such circumstance. Let my honest rangings be: 100 percent for my favourite but almost chanceless Robin Hood 20 percent for the frontrunner Cinderella 0 percent for the other frontrunner Ugly Duckling I

Re: [EM] Multiwinner Voting Methods Request

2008-10-16 Thread Raph Frank
On Thu, Oct 16, 2008 at 5:02 AM, Greg Nisbet [EMAIL PROTECTED] wrote: PBV Proportional Borda Voting (n!) I see no reason why it wouldn't work. PCV Proportional Condorcet Voting (n!) same comment as PBV How do they work? Also, do they meet the Droop proportionality criteron (or proportional

Re: [EM] Fixing Range Voting

2008-10-16 Thread Diego Santos
2008/10/16 Brian Olson [EMAIL PROTECTED] On Oct 15, 2008, at 1:59 PM, Peter Barath wrote: I'm not sure I would vote honestly in such circumstance. Let my honest rangings be: 100 percent for my favourite but almost chanceless Robin Hood 20 percent for the frontrunner Cinderella 0 percent

Re: [EM] Strategic Voting and Simulating It

2008-10-16 Thread Raph Frank
On Thu, Oct 16, 2008 at 2:23 AM, Kevin Venzke [EMAIL PROTECTED] wrote: Each voter's sincere utilities are determined randomly and independently, which is problematic because it does not produce realistic scenarios. It would be better to combine voters into factions, although it would be no

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Jobst Heitzig
Dear Raph, you replied to me: That leads me to the main problem with Range (as with any other majoritarian method): It is simply not democratic. It cannot be because every majoritarian method gives 100% of the power to less than 100% of the people (the demos in greek). They do have an

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Raph Frank
On Sun, Oct 12, 2008 at 1:42 AM, Greg Nisbet [EMAIL PROTECTED] wrote: I was attempting to make a distinction between an active and a passive majority. Any active majority (one unwilling to make any compromises whatsoever, voting every non-them candidate the lowest possible score) will win. A

Re: [EM] Simulation of Duverger's Law

2008-10-16 Thread Raph Frank
On Thu, Oct 16, 2008 at 6:46 AM, Greg Nisbet [EMAIL PROTECTED] wrote: Why doesn't France's Two Round System lead to the same result? It could be argued that the first round is somewhat random. Also, parties can combine temporarily without formally combining. Pretend you have a ballot

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Raph Frank
On Thu, Oct 16, 2008 at 3:38 PM, Jobst Heitzig [EMAIL PROTECTED] wrote: However, you do get degenerate societies where there is a majority that is a bloc. That's exactly my point. There are lots of such examples which all show clearly that majoritarianism is not democratic. The thing is

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Jobst Heitzig
Hi Terry, although FAWRB can be found in the lists archives, I use the opportunity to give the current definition of ... My favourite version of FAWRB (Favourite or Approval Winner Random Ballot) -- 1. Each voter rates each option as either

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Jobst Heitzig
Dear Raph, you wrote: The thing is that in such a case, it isn't really a single 'demos'. It is two groups voting as one. Do you mean to say democracy is only for societies which are sufficiently homogeneous? That doesn't help because then the majority on issue A will still overrule the

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Diego Santos
Jobst, 2008/10/16 Jobst Heitzig [EMAIL PROTECTED] Dear Raph, you wrote: The thing is that in such a case, it isn't really a single 'demos'. It is two groups voting as one. Do you mean to say democracy is only for societies which are sufficiently homogeneous? That doesn't help

Re: [EM] Multiwinner Method Yardstick (Gregory Nisbet)

2008-10-16 Thread Kristofer Munsterhjelm
Greg Nisbet wrote: Proportional Approval Voting http://www.nationmaster.com/encyclopedia/Proportional-approval-voting Brief summary of this method: there are O(c!) (candidates factorial) many pseudocandidates consisting of all the possible combinations of candidates. Let's say we have a voter

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Jobst Heitzig
Dear Diego, But randomness of FAWRB can cause institutional conflicts, especially if the minority faction leader was the winner. My focus has always been to decide issues, not to elect people. My suggestion if your scenario exists is: 1. Perform simultaneously an approval election and a

Re: [EM] Worst Voting Method

2008-10-16 Thread Kevin Venzke
Hi Chris, --- En date de : Jeu 16.10.08, Chris Benham [EMAIL PROTECTED] a écrit : De: Chris Benham [EMAIL PROTECTED] Objet: [EM] Worst Voting Method À: EM election-methods@lists.electorama.com Date: Jeudi 16 Octobre 2008, 1h45 I don't see antiplurality as much worse than FPP.

Re: [EM] Simulation of Duverger's Law

2008-10-16 Thread Kevin Venzke
Hi Greg, --- En date de : Jeu 16.10.08, Greg Nisbet [EMAIL PROTECTED] a écrit : Complete non-sequitur but still a point I don't entirely understand: IRV, FPTP and Contingent Vote all lead to two party domination according to Duverger's law. I don't think Duverger's law suggests this

Re: [EM] Issues with the Majority Criterion

2008-10-16 Thread Kevin Venzke
Hi Greg, --- En date de : Jeu 16.10.08, Greg Nisbet [EMAIL PROTECTED] a écrit : I would say it is that if X is ranked/rated strictly first by more than half of the voters, then X should win. =What would co-first candidates imply? Neither of such candidates would be ranked/rated strictly

Re: [EM] Strategic Voting and Simulating It

2008-10-16 Thread Kevin Venzke
Hi Raph, --- En date de : Jeu 16.10.08, Raph Frank [EMAIL PROTECTED] a écrit : De: Raph Frank [EMAIL PROTECTED] Objet: Re: [EM] Strategic Voting and Simulating It À: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Date: Jeudi 16 Octobre 2008, 4h55 On Thu, Oct 16, 2008 at 2:23 AM, Kevin Venzke

[EM] Warren D. Smith completes part II of best voting systems paper...

2008-10-16 Thread Warren Smith
I previously wrote a long math paper The Best Rank-Order Voting System versus Range Voting http://rangevoting.org/BestVrange.html and I am now making it be a two-part sequence of papers. The 2nd part is now done: Best voting systems in D-dimensional politics models

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Greg Nisbet
Dear Jobst, I will focus on the question of majoritarianism in this message. First my working definition of majoritarian method: A method is majoritarian if for every option X and every group G consisting of more than half of the voters, there is a way of voting for G which makes sure X

[EM] Fwd: Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Greg Nisbet
-- Forwarded message -- From: Greg Nisbet [EMAIL PROTECTED] Date: Thu, Oct 16, 2008 at 6:51 PM Subject: Re: [EM] Range Voting vs Condorcet (Greg Nisbet) To: Jobst Heitzig [EMAIL PROTECTED] Cc: election-methods@lists.electorama.com Dear Jobst, I will focus on the question of

Re: [EM] Range Voting vs Condorcet (Greg Nisbet)

2008-10-16 Thread Dave Ketchum
These majorities, as described, seem close to identical twins, with little, if any, ability for individual thinking. Plurality promotes closeness for two major factions. Voters have painful decisions which can result in real, if painful, party strength - they cannot both back party

[EM] Populism and Voting Theory

2008-10-16 Thread Greg Nisbet
As I'm sure all of you have noticed, if you attempt to explain a voting system that is better than FPTP to some average person/non-nerd they will either: a) say they don't understand it b) attack you with some flawed conception of OMOV c) say that the current system will never be changed Which

Re: [EM] Populism and Voting Theory

2008-10-16 Thread Dave Ketchum
I argue for Condorcet, include Range, Approval, and IRV in my discussion, ad claim it to be the best for single winners. For all these I talk of Best, Soso, Worst, and other unnamed candidates. Pick the one or more candidates you would like to vote for. Proceed by method: Approval: You

Re: [EM] Populism and Voting Theory

2008-10-16 Thread Greg Nisbet
Interesting. What I meant was what is the best method that actually has some reasonable chance of being implemented. IRV has been implemented in some cities and both Obama and McCain have stated that they support it, I would say that qualifies as a reasonable chance. However, if you think that

[EM] Effect of Voting Systems on Parties and Candidates

2008-10-16 Thread Greg Nisbet
Let's hypothesize about the impact various methods would have on society. FPTP: If you live in the U.S., you see it every day. Two party domination is fairly complete. Although this could be written off to the fact that America started with a two-party system and that opposition is gerrymandered