Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Kathy Dopp
I agree that the Droop quota or some similar quota should try to be satisfied. STV doesn't always satisfy it due to exhausted ballots. Vote-splitting does mean less proportional representation using STV if more candidates run relative to some groups' constituency share compared to other groups.

Re: [EM] (no subject)

2009-11-02 Thread Jonathan Lundell
On Nov 1, 2009, at 10:49 PM, Juho wrote: Firstly, STV-PR can be used in all public elections, including those that are non-partisan. Yes. Non-partisan multi-winner elections are however rare in politics. They may be more common e.g. when electing only a small number of representatives

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Jonathan Lundell
On Nov 1, 2009, at 10:51 PM, Juho wrote: I wouldn't be as strict as saying that Droop proportionality is an absolute requirement. I'd be happy to classify all methods that approximate the principle of x% of votes means x% of seats as acceptable PR. I'd like to see a definition of what

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread James Gilmour
Kathy Dopp Sent: Monday, November 02, 2009 1:20 PM Vote-splitting does mean less proportional representation using STV if more candidates run relative to some groups' constituency share compared to other groups. Must be some misunderstanding here. Because the surplus votes of elected

Re: [EM] Asset voting and so forth, in practice

2009-11-02 Thread Abd ul-Rahman Lomax
At 06:20 AM 11/2/2009, Michael Allan wrote: If I understand you Abd, we're currently developing the tools for voters to do essentially what you describe. And we've made some progress recently: Drafting media: http://t.zelea.com/wiki/Toronto:Pollwiki Voting engine:

Re: [EM] (no subject)

2009-11-02 Thread robert bristow-johnson
On Nov 1, 2009, at 8:28 PM, Raph Frank wrote: I made an attempt to create a basic explanation on an earlier post to this list: http://www.mail-archive.com/election-methods@lists.electorama.com/ msg04195.html which says: One of the hardest parts about PR-STV is actually explaining

Re: [EM] (no subject) STV transfer rules

2009-11-02 Thread James Gilmour
robert bristow-johnson Sent: Monday, November 02, 2009 5:44 PM whose *ballot* gets their vote transferred? it shouldn't matter in which order the counting is. if my ballot is needed to give the candidate what he needs, and your ballot isn't needed, then you got to influence the

Re: [EM] (no subject) STV transfer rules

2009-11-02 Thread Jonathan Lundell
On Nov 2, 2009, at 9:54 AM, James Gilmour wrote: robert bristow-johnson Sent: Monday, November 02, 2009 5:44 PM whose *ballot* gets their vote transferred? it shouldn't matter in which order the counting is. if my ballot is needed to give the candidate what he needs, and your ballot isn't

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Anthony O'Neal
Kathy Dopp wrote: Condorcet is only a single seat method. Yes but it can be expanded to be proportional mutli-seat and to be winner-take-all multi-seat. I was really talking about the IRV properties of STV, since STV is essentially IRV with surplus vote transfer added on top. There are

Re: [EM] (no subject)

2009-11-02 Thread Raph Frank
On Mon, Nov 2, 2009 at 4:25 AM, robert bristow-johnson r...@audioimagination.com wrote: whose *ballot* gets their vote transferred? it shouldn't matter in which order the counting is. if my ballot is needed to give the candidate what he needs, and your ballot isn't needed, then you got to

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Juho
On Nov 2, 2009, at 4:50 PM, Jonathan Lundell wrote: On Nov 1, 2009, at 10:51 PM, Juho wrote: I wouldn't be as strict as saying that Droop proportionality is an absolute requirement. I'd be happy to classify all methods that approximate the principle of x% of votes means x% of seats as

Re: [EM] (no subject)

2009-11-02 Thread Juho
Ok, these examples are sort of second level behind the hottest political arena. It makes sense not to involve party politics e.g. in decision making in the schools. Are there maybe counties/cities where the primary decision making body would have remained non-partisan? Juho On Nov 2,

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Raph Frank
On Mon, Nov 2, 2009 at 8:38 PM, Juho juho4...@yahoo.co.uk wrote: On Nov 2, 2009, at 1:53 PM, Raph Frank wrote: Districts with 7+ seats seem reasonable, and give reasonable proportionality. I guess there is some practical limit to how may candidates the voters are willing to evaluate and

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Raph Frank
On Mon, Nov 2, 2009 at 8:56 PM, Juho juho4...@yahoo.co.uk wrote: On Nov 2, 2009, at 4:50 PM, Jonathan Lundell wrote: To harp on California again: we have 53 Congressional districts, all (of course) single-seat FPTP. The distribution of Democratic and Republican seats is surprisingly close to

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread James Gilmour
Raph Frank Sent: Monday, November 02, 2009 9:41 PM To harp on California again: we have 53 Congressional districts, all (of course) single-seat FPTP. The distribution of Democratic and Republican seats is surprisingly close to representing state party registration. Yes, FPTP in

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Juho
On Nov 2, 2009, at 11:30 PM, Raph Frank wrote: On Mon, Nov 2, 2009 at 8:38 PM, Juho juho4...@yahoo.co.uk wrote: On Nov 2, 2009, at 1:53 PM, Raph Frank wrote: Districts with 7+ seats seem reasonable, and give reasonable proportionality. I guess there is some practical limit to how may

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Juho
On Nov 2, 2009, at 11:40 PM, Raph Frank wrote: On Mon, Nov 2, 2009 at 8:56 PM, Juho juho4...@yahoo.co.uk wrote: On Nov 2, 2009, at 4:50 PM, Jonathan Lundell wrote: To harp on California again: we have 53 Congressional districts, all (of course) single-seat FPTP. The distribution of

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Raph Frank
On Mon, Nov 2, 2009 at 11:58 PM, Juho juho4...@yahoo.co.uk wrote: Droop guarantees the first seat already with somewhat less than votes/seats number of votes but d'Hondt does not = ?? Sorry meant a 4 seater. In a four seater, a party with 20%+ of the vote is guaranteed a seat no matter how the

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Kristofer Munsterhjelm
Juho wrote: On Nov 2, 2009, at 4:50 PM, Jonathan Lundell wrote: Is this acceptable PR? I hope your answer is of course not (if it isn't, we can have that discussion). I note that a two-party system can be seen as one style of democracy that may be chosen intentionally. But if the target is

Re: [EM] STV - the transferrable part is OK (fair), the sequential round elimination is not

2009-11-02 Thread Kristofer Munsterhjelm
Raph Frank wrote: On Mon, Nov 2, 2009 at 8:56 PM, Juho juho4...@yahoo.co.uk wrote: I agree that DPC is a nice criterion. In practice I'm not that strict since I believe also methods that are close to DPC work quite well. For example basic d'Hondt with party lists may be close enough to PR