Re: [EM] publicly acceptable election methods

2005-03-07 Thread James Green-Armytage
Hi Russ, It's good to see you so engaged in the list of late. I regret that I haven't been participating much in the last few months. >Let me just >suggest, however, that it would be useful to distinguish between >election methods that could be publicly acceptable within our lifetimes >

[EM] publicly acceptable election methods

2005-03-07 Thread Russ Paielli
Folks, I realize that this email list is intended for a wide-ranging technical discussion of election methods, and far be it from me to try to discourage "brainstorming" for innovative new ideas. Let me just suggest, however, that it would be useful to distinguish between election methods that

Re: [EM] Later no harm, Condorcet, and randomization

2005-03-07 Thread Kevin Venzke
Dear Jobst, --- Jobst Heitzig <[EMAIL PROTECTED]> a écrit : > you wrote: > > Suppose we're using a method that satisfies Clone-Winner: > > > > 51 A 49 B > > > > A wins. Now replace A with two clones, so > > > > 25 A1>A2 26 A2>A1 49 B > > > > A1 or A2 will win, but only assuming this is how A

[EM] SFC and "margins vs. winning votes"

2005-03-07 Thread Russ Paielli
MIKE OSSIPOFF nkklrp-at-hotmail.com |EMlist| wrote: > > Russ quoted my definition of SFC: > > SFC: > > If no one falsifies a preference, and if a majority prefer the CW to > candidate Y, and vote sincerely, then Y shouldn´t win. > > [end of SFC definition] > A few days ago, Russ posted a statement

Re: [EM] Ballot integrity (Was 'Re: "margins vs. winning votes" and Woodall's "Plurality" criterion')

2005-03-07 Thread Dave Ketchum
On Mon, 07 Mar 2005 09:39:05 -0800 Ted Stern wrote: On 6 Mar 2005 at 06:50 PST, Chris Benham wrote: Oh, by the way, I would *not* allow equal rankings. Why not? I just don't like them. They strike me as an unnecessary complication and little more than a way to game the system. I think an ideal meth

Re: [EM] Re: chain climbing methods

2005-03-07 Thread Forest Simmons
On Mon, 7 Mar 2005, Jobst Heitzig wrote: ... Perhaps I should make clear again why I propose randomization in the first place: ... Methods such as Condorcet Lottery, RBCC, and RBACC accomplish this ... But the Condorcet Lottery picks the CW with certainty when there is one. Wouldn't this encourage

[EM] Later no harm, Condorcet, and randomization

2005-03-07 Thread Jobst Heitzig
Dear Kevin! you wrote: > Suppose we're using a method that satisfies Clone-Winner: > > 51 A 49 B > > A wins. Now replace A with two clones, so > > 25 A1>A2 26 A2>A1 49 B > > A1 or A2 will win, but only assuming this is how A voters really vote > after the cloning operation. In real life I sus

Re: [EM] Later no harm, Condorcet, and randomization

2005-03-07 Thread Kevin Venzke
Dear Jobst, --- Jobst Heitzig <[EMAIL PROTECTED]> a écrit : > Dear Kevin! > > you wrote: > > By the way, I think Later-no-harm is very important, in order to coax > > information out of the voters, and avoid de facto Clone-Winner > > failures. > > I agree with the first, that's why I try to f

[EM] Later no harm, Condorcet, and randomization

2005-03-07 Thread Jobst Heitzig
Dear Kevin! you wrote: > By the way, I think Later-no-harm is very important, in order to coax > information out of the voters, and avoid de facto Clone-Winner > failures. I agree with the first, that's why I try to find a compromise between LNH and Condorcet. But what do you mean by "de facto

Re: [EM] Later no harm, Condorcet, and randomization

2005-03-07 Thread Kevin Venzke
Jobst, --- Jobst Heitzig <[EMAIL PROTECTED]> a écrit : > Since the topic of "Later no harm" came up again, I would like to point > out that some randomization can make a Condorcet methods fulfil that > criterion in a certain sense. By the way, I think Later-no-harm is very important, in order t

Re: [EM] Equal-ranking in Condorcet, SCRIRVE (was" Condorcet-Approval hybrid method")

2005-03-07 Thread Kevin Venzke
Chris, --- Chris Benham <[EMAIL PROTECTED]> a écrit : > "Suppose we're using a WV method: > > 40 A>B>C > 35 B>C>A > 25 C>A>B > > There's an A>B>C>A cycle. B>C is the strongest win (75 votes), followed > by A>B (65 votes) and C>A (60 votes). So C>A is discarded and A wins. > > But suppose the

Re: [EM] Markus, "majority-rejected", and some Markus opinions

2005-03-07 Thread Markus Schulze
Dear Mike, I wrote (6 March 2005): > In my recent mails, I wrote that Mike Ossipoff's concept > of "majority rejected" candidates cannot be used for other > election methods than MinMax. You wrote (7 March 2005): > But which of my criteria use the term "majority-rejected"? Did I say that one of

[EM] Re: chain climbing methods

2005-03-07 Thread Jobst Heitzig
Dear Forest! You defined TACC+ as: > After finding the (deterministic) TACC winner, create a lottery based > on random ballot among the set of all candidates that have at least > as much approval as the TACC winner. While that is certainly easier than the other randomized version of TACC which I

[EM] Methods that apply to more than MinMax :-)

2005-03-07 Thread MIKE OSSIPOFF
Dear Francoise and Paul, Greetings from Almunecar. We hope that the winter is treating you well, and that soon you will be enjoying warmer climates when you go South. Our Juno system is very strange here. Today is the first day that we can send mail. But >I have to quick because after a couple

[EM] Later no harm, Condorcet, and randomization

2005-03-07 Thread Jobst Heitzig
Since the topic of "Later no harm" came up again, I would like to point out that some randomization can make a Condorcet methods fulfil that criterion in a certain sense. As we know, no deterministic method can fulfil "Later no harm". For the sake of completeness, here's again a simple counter-exa

[EM] Equal-ranking in Condorcet, SCRIRVE (was" Condorcet-Approval hybrid method")

2005-03-07 Thread Chris Benham
Kevin, You wrote: "Suppose we're using a WV method: 40 A>B>C 35 B>C>A 25 C>A>B There's an A>B>C>A cycle. B>C is the strongest win (75 votes), followed by A>B (65 votes) and C>A (60 votes). So C>A is discarded and A wins. But suppose the B>C voters see this coming and perhaps don't feel as strongly

[EM] Equal Rankings in Real World Voting Systems

2005-03-07 Thread Alex Small
Dave Ketchum wrote: >Some voters are going to enter duplicate ranks even if it is forbidden, >so I suggest making it legal and counting accordingly. Exactly!  The simplest method for doing ranked voting (paper ballots with a list of possible ranks next to each name) makes it possible to do equal ra

[EM] Ballot integrity (Was 'Re: "margins vs. winning votes" and Woodall's "Plurality" criterion')

2005-03-07 Thread Ted Stern
On 6 Mar 2005 at 06:50 PST, Chris Benham wrote: > >> Oh, by the way, I would *not* allow equal rankings. Why not? I just >> don't like them. They strike me as an unnecessary complication and >> little more than a way to game the system. > > I think an ideal method in an ideal world should allow the

[EM] Markus, "majority-rejected", and some Markus opinions

2005-03-07 Thread MIKE OSSIPOFF
Markus said: In my recent mails, I wrote that Mike Ossipoff's concept of "majority rejected" candidates cannot be used for other election methods than MinMax. I reply: But which of my criteria use the term "majority-rejected"? As I said, my defintiion of defensive strategy uses the term "majority

[EM] Russ, SFC, and wv vs margins

2005-03-07 Thread MIKE OSSIPOFF
Russ quoted my definition of SFC: SFC: If no one falsifies a preference, and if a majority prefer the CW to candidate Y, and vote sincerely, then Y shouldn´t win. [end of SFC definition] Russ continued: Here's my comment: Mike considers this criterion critical and uses it as evidence that certain C

Re: [EM] Condorcet-Approval hybrid method

2005-03-07 Thread Kevin Venzke
Russ, --- Russ Paielli <[EMAIL PROTECTED]> a écrit : > Or perhaps you think you > gain some strategic advantage by ranking them equal -- which is > precisely one reason I lean toward disallowing it. You can get an advantage, but it isn't free. So I think when voters want to use equal ranking,

Re: [EM] Condorcet-Approval hybrid method

2005-03-07 Thread Russ Paielli
Daniel Bishop wrote: Russ Paielli wrote: Daniel Bishop dbishop-at-neo.tamu.edu |EMlist| wrote: For example, consider an election with 12 candidates. Your ballot might look like _1_ Favorite _2_ Good #1 _2_ Good #2 _2_ Good #3 _3_ Tolerable #1 _3_ Tolerable #2 _3_ Tolerable #3 _3_ Tolerable #4 _