[EM] Weak FBC and equal-ranking-allowed IRV

[Kevin Venzke]

Chris,

 --- Chris Benham <chrisbenham at bigpond.com> a écrit : > Kevin,
> I  was surprised to see  you recently write (Fri.Oct.17)
> 
> "The point of allowing equal ranking in IRV, is to make it always safe to vote
> without order reversal."
> 
> because equal-ranking-allowed whole votes IRV doesn't really comply with weak Favourite
> Betrayal Criterion.

Drat, you are right.  I wasn't thinking about second preferences, I think.

> For me the main point of allowing equal ranking in any method is to avoid the result 
> being maybe determined by the coin tosses of voters. I agree that the whole votes version
> is better because it does greatly ameliorate the "favourite betrayal" problem.

Well, I'm glad you don't think I was wrong about that...


Kevin Venzke
stepjak at yahoo.fr


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