Re: Condorcet Truncation Example

1997-05-11 Thread Saari
In a message dated 97-05-10 21:57:51 EDT, you write: >I think Arrow did show that there's no such thing as the "perfect" method, >so we should stop trying for that. I interpret Arrow's proof to show that there is no perfect *preferential voting* method. Other methods (such as rated voting) fall

Re: Condorcet Truncation Example

1997-05-10 Thread Rob Lanphier
On Tue, 6 May 1997, Hugh Tobin wrote: > Markus Schulze wrote: > > But the way you have defined "truncation resistant" and > > Smith//Condorcet [EM], the following problems will occur: > > (2)Distributing the worst preferences random among the least > >favoured candidates becomes a usefull

Re: Condorcet truncation example

1997-05-06 Thread Saari
>Here is an example to show why voters would truncate, if >a Condorcet Criterion Method is used: > >Case 1: > >47 voters vote ABC. >10 voters vote BAC. > 8 voters vote BCA. >35 voters vote CBA. Wouldn't it be nice if we could just find out which candidate was liked by the most voters? For exampl

Re: Condorcet Truncation Example

1997-05-06 Thread Markus Schulze
Dear Rob, dear Hugh, you did me wrong. I have never said, that Smith//Condorcet [EM] is not "truncation resistant" due to your definition of "truncation resistant". The problem looks a little bit different: Usually only downward truncation [i.e., the voter gives his worst preference to more than

Re: Condorcet Truncation Example

1997-05-04 Thread Hugh Tobin
Markus Schulze wrote: > > Dear Hugh Tobin, > > I cannot agree with your statement, that (if a Condorcet Criterion > method is used) only omnissent voters can vote strategically. > I did not make the statement attributed to me. I did, I believe, show that rational strategic voters would not us