Re: [EM] Does Bucklin 2-level satisfy Participation (mono-add-top)?

2012-01-04 Thread Kristofer Munsterhjelm
On 01/03/2012 10:44 PM, Ted Stern wrote: I've seen examples in which Bucklin (with equal ratings) fails the Participation criterion, AKA Woodall's mono-add-top criterion for deterministic methods: the participation criterion says that the addition of a ballot, where candidate A is

Re: [EM] Does Bucklin 2-level satisfy Participation (mono-add-top)?

2012-01-04 Thread Ted Stern
On 03 Jan 2012 16:38:56 -0800, Jameson Quinn wrote: It depends on the tiebreaker used when there is are multiple majorities at second level. If the tiebreaker is that the most second-level votes wins, then I believe that the method meets participation. Otherwise, AB votes can cause B A

[EM] Does Bucklin 2-level satisfy Participation (mono-add-top)?

2012-01-03 Thread Ted Stern
I've seen examples in which Bucklin (with equal ratings) fails the Participation criterion, AKA Woodall's mono-add-top criterion for deterministic methods: the participation criterion says that the addition of a ballot, where candidate A is strictly preferred to candidate B, to an existing

Re: [EM] Does Bucklin 2-level satisfy Participation (mono-add-top)?

2012-01-03 Thread Jameson Quinn
It depends on the tiebreaker used when there is are multiple majorities at second level. If the tiebreaker is that the most second-level votes wins, then I believe that the method meets participation. Otherwise, AB votes can cause BA (instead of just A) to pass the second-level threshold and