[EM] Unmanipulable Majority strategy criterion (Kristofer)

2008-12-10 Thread Chris Benham
Kristofer Munsterhjelm wrote (Sat.Nov.29): -snip- I don't know of any method that meets  the MDQBR you refer to that isn't completely invulnerable to Burial (do you?), so I don't see how that criterion is presently useful. That's odd, because the example I gave in a reply to Juho was yours.

[EM] Unmanipulable Majority strategy criterion

2008-12-06 Thread Chris Benham
Kristofer, You wrote addressing me: You have some examples showing that RP/Schulze/etc fail the criterion. By my lazy etc. I just meant  'and the other Condorcet methods that are all equivalent to MinMax when there are just 3 candidates and Smith//Minmax when there are not more than 3 candidates

Re: [EM] Unmanipulable Majority strategy criterion (newly amended version)

2008-12-04 Thread Kristofer Munsterhjelm
Chris Benham wrote: Regarding my proposed Unmanipulable Majority criterion: *If (assuming there are more than two candidates) the ballot rules don't constrain voters to expressing fewer than three preference-levels, and A wins being voted above B on more than half the ballots, then it must

[EM] Unmanipulable Majority strategy criterion (newly amended version)

2008-12-03 Thread Chris Benham
Regarding my proposed Unmanipulable Majority criterion: *If (assuming there are more than two candidates) the ballot rules don't constrain voters to expressing fewer than three preference-levels, and A wins being voted above B on more than half the ballots, then it must not be possible to make

Re: [EM] Unmanipulable Majority strategy criterion

2008-12-02 Thread Abd ul-Rahman Lomax
At 01:21 PM 11/26/2008, Chris Benham wrote: I have a suggestion for a new strategy criterion I might call Unmanipulable Majority. *If (assuming there are more than two candidates) the ballot rules don't constrain voters to expressing fewer than three preference-levels, and A wins being voted

[EM] Unmanipulable Majority strategy criterion definition amended

2008-12-01 Thread Chris Benham
I propose to amend my suggested  Unmanipulable Majority criterion by simply adding a phrase beginning with without.. so that it now reads: *If (assuming there are more than two candidates) the ballot rules don't constrain voters to expressing fewer than three preference-levels, and A wins

[EM] Unmanipulable Majority strategy criterion

2008-11-29 Thread Chris Benham
Kristofer, ...your Dominant Mutual Quarter Burial Resistance property. I don't  remember reading or hearing about anything like that with Quarter in the title anywhere except in your EM  posts. A few years ago  James Green-Armytage coined the Mutual Dominant Third criterion but never

Re: [EM] Unmanipulable Majority strategy criterion

2008-11-28 Thread Raph Frank
I think you have alot of redundant language, is the criterion effectively the following? If the winner is preferred to another candidate on the majority of the ballots, it must not be possible to make any such candidate win by modifying the ballots where that candidate is preferred to the winner.

Re: [EM] Unmanipulable Majority strategy criterion

2008-11-28 Thread Kevin Venzke
Hi Chris, --- En date de : Mer 26.11.08, Chris Benham [EMAIL PROTECTED] a écrit : I have a suggestion for a new strategy criterion I might call  Unmanipulable Majority.   *If (assuming there are more than two candidates) the ballot rules don't constrain voters to expressing fewer than three

Re: [EM] Unmanipulable Majority strategy criterion

2008-11-28 Thread Kristofer Munsterhjelm
Chris Benham wrote: Kristofer, Thanks for at least responding. ...I won't say anything about the desirability because I don't know what it implies;.. Only judging criteria by how they fit in with other criteria is obviously circular. That's true. If we're going to judge criteria by

Re: [EM] Unmanipulable Majority strategy criterion

2008-11-27 Thread Kristofer Munsterhjelm
Chris Benham wrote: I have a suggestion for a new strategy criterion I might call Unmanipulable Majority. *If (assuming there are more than two candidates) the ballot rules don't constrain voters to expressing fewer than three preference-levels, and A wins being voted above B on more than

[EM] Unmanipulable Majority strategy criterion

2008-11-26 Thread Chris Benham
I have a suggestion for a new strategy criterion I might call  Unmanipulable Majority. *If (assuming there are more than two candidates) the ballot rules don't constrain voters to expressing fewer than three preference-levels, and A wins being voted above B on more than half the ballots, then