Re: [EM] Can someone point me at an example of the nonmonotonicity of IRV?

2008-08-10 Thread Kristofer Munsterhjelm
Kathy Dopp wrote: From: rob brown [EMAIL PROTECTED] Subject: Re: [EM] Can someone point me at an example of the nonmonotonicity of IRV? Are you aware that in going to a doctor to treat an injury, you can get in a car accident and get injured some more? Why would anyone go to a doctor

Re: [EM] Can someone point me at an example of the nonmonotonicity of IRV?

2008-08-10 Thread Juho
On Aug 10, 2008, at 12:43 , Kristofer Munsterhjelm wrote: There's also the it smells fishy that nonmonotonicity - of any kind or frequency - evokes. I think that's stronger for nonmonotonicity than for things like strategy vulnerability because it's an error that appears in the method

Re: [EM] Can someone point me at an example of the nonmonotonicityof IRV?

2008-08-10 Thread Stéphane Rouillon
I agree IRV can rarely make your vote work against you (about 1 chance on 1000). How about a system that can make a candidate wanted by a majority lose (about 1 chance on 5)!! That's what FPTP can do when political strategists present a clone of the favourite candidate to split the votes...

Re: [EM] Can someone point me at an example of the nonmonotonicity of IRV?

2008-08-10 Thread Chris Benham
Kathy Dopp wrote (Sat. Aug.10): Well perhaps there are other voting methods where ranking my first choice candidate below my last choice candidate helps my first choice candidate to win more than vice-versa, and I would oppose any method that did that. Kathy, What exactly do mean here by more

Re: [EM] Can someone point me at an example of the nonmonotonicity of IRV?

2008-08-10 Thread rob brown
On Sun, Aug 10, 2008 at 9:58 AM, Kathy Dopp [EMAIL PROTECTED] wrote: I am currently not recommending *any* until I have more time and inclination to sit down to thoroughly study all the alternatives. I know that IRV is a really bad method as applied to real life elections, and I suspect that