Re: [EM] Citation for immunity to strategic voting?

2005-09-13 Thread Jobst Heitzig
Dear Andrew and Stephane! Andrew wrote: Actually even this weaker claim (as I understand it) is wrong. Consider the following election with 100 voters: 23 ABC 25 ACB 3 BAC 26 BCA 3 CAB 20 CBA Therefore we have A preferred to B 51-49, A preferred to C 51-49, and B preferred to C

Re: Re: [EM] Citation for immunity to strategic voting?

2005-09-13 Thread stephane.rouillon
: Andrew Myers [EMAIL PROTECTED] Date: 2005/09/13 mar. AM 12:19:55 GMT-04:00 À: Stephane Rouillon [EMAIL PROTECTED] Cc: election-methods-electorama.com@electorama.com Objet: Re: [EM] Citation for immunity to strategic voting? On Sun, Sep 11, 2005 at 04:47:19PM -0400, Andrew Myers wrote: On Mon

Re: [EM] Citation for immunity to strategic voting?

2005-09-13 Thread Andrew Myers
On Tue, Sep 13, 2005 at 09:45:12AM +0200, Jobst Heitzig wrote: Dear Andrew and Stephane! Andrew wrote: Actually even this weaker claim (as I understand it) is wrong. Consider the following election with 100 voters: 23 ABC 25 ACB 3 BAC 26 BCA 3 CAB 20 CBA Therefore

Re: [EM] Citation for immunity to strategic voting?

2005-09-12 Thread Andrew Myers
On Sun, Sep 11, 2005 at 04:47:19PM -0400, Andrew Myers wrote: On Mon, Sep 05, 2005 at 05:55:01PM -0400, Stephane Rouillon wrote: Actually as many people will tell you, this claim is wrong. I see that Rob already gave you a counter example. Maybe you would like to know that using

Re: [EM] Citation for immunity to strategic voting?

2005-09-11 Thread Andrew Myers
On Mon, Sep 05, 2005 at 05:55:01PM -0400, Stephane Rouillon wrote: Actually as many people will tell you, this claim is wrong. I see that Rob already gave you a counter example. Maybe you would like to know that using winning vote as criteria to make pairwise comparison instead of margins

Re: [EM] Citation for immunity to strategic voting?

2005-09-06 Thread Juho Laatu
On Sep 5, 2005, at 23:13, James Green-Armytage wrote: Juho Laatu [EMAIL PROTECTED] writes: The method consists of two rounds. If the first round produces a Condorcet winner, the second round is not needed. Otherwise the second round will be held and also the tie breaking method is used if

Re: [EM] Citation for immunity to strategic voting?

2005-09-05 Thread Dave Ketchum
Might this be getting too deep? A cycle is a near tie among at least 3 candidates, together with second choices linking the members together (even with near ties, second choices can be incompatible with cycles). Plotters might, assuming they have accurate prediction plus control of enough

Re: [EM] Citation for immunity to strategic voting?

2005-09-05 Thread Juho Laatu
On Sep 3, 2005, at 22:15, Andrew Myers wrote: I would like to have a statement about strategic immunity that doesn't rely on people judging the difficulty of creating a top cycle. The best I can offer when it comes to freeing people of judging and deciding strategies is the following

Re: [EM] Citation for immunity to strategic voting?

2005-09-05 Thread James Green-Armytage
Juho Laatu [EMAIL PROTECTED] writes: The method consists of two rounds. If the first round produces a Condorcet winner, the second round is not needed. Otherwise the second round will be held and also the tie breaking method is used if there is a top cycle. (Clearly non-winning candidates could

Re: [EM] Citation for immunity to strategic voting?

2005-09-05 Thread Stephane Rouillon
Actually as many people will tell you, this claim is wrong. I see that Rob already gave you a counter example. Maybe you would like to know that using winning vote as criteria to make pairwise comparison instead of margins can make your claim true for strong Condorcet winners (ones which have a

Re: [EM] Citation for immunity to strategic voting?

2005-09-05 Thread Dave Ketchum
I see some to applaud here: On Mon, 5 Sep 2005 18:56:32 -0400 Andrew Myers wrote: Date: Mon, 5 Sep 2005 18:51:40 -0400 From: Andrew Myers [EMAIL PROTECTED] To: Stephane Rouillon [EMAIL PROTECTED] Subject: Re: [EM] Citation for immunity to strategic voting? On Mon, Sep 05, 2005 at 05:55:01PM

Re: [EM] Citation for immunity to strategic voting?

2005-09-03 Thread Juho Laatu
Hi All, What would you say about the truth value of a one step more modest claim Condorcet methods are immune to strategic voting when there is no top level loop and modified votes do not generate one? BR, Juho On Sep 3, 2005, at 05:40, Andrew Myers wrote: Hi all, I'm writing a short