Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Juho Laatu
In order to be a bit more concrete and to complement my other mails I draft here one approach to combining STV like and shorter open list/tree style ballots. The point is to see what could be done when the number of candidates grows large in STV (and to try to take in what is good in trees).

Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Juho Laatu
Some systems use explicit thresholds that cut out the smallest parties. Many systems use districts. Use of districts also tends to cut out the smallest parties. Districts also tend to favour local groups. A pro district X group with 10% nation wide support might easily get seats (probably in

Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Juho Laatu
--- On Sun, 3/5/09, Raph Frank raph...@gmail.com wrote: I think a candidate list system is better though as it allows more general inheritance ordering.  Ofc, it is always going to be a tradeoff between precision and complexity (both for the count and for the voter). Closed party list

Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Raph Frank
On Tue, May 5, 2009 at 7:08 AM, Juho Laatu juho4...@yahoo.co.uk wrote: Candidates have a default tree-like order of inheritance. Vote C121 will be counted as a vote to candidate C121, group G12 and party P1. This vote has the same meaning as vote C121G12P1ANYONE. One slight issue here is

Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Juho Laatu
--- On Tue, 5/5/09, Raph Frank raph...@gmail.com wrote: My preference is to use a different method of counting for election and elimination. Election: Vote is shared between all candidates at current rank Elimination: Vote is given to each candidate at current rank at full strength Why

Re: [EM] [RangeVoting] The Need for People-Friendly Research Development

2009-05-05 Thread Raph Frank
article wrote: But new ideas for reducing energy waste or increasing the efficiency of various systems and devices are less closely linked to profit margins of large corporations. The real issue here is that people don't actually care about those things. Companies target their RD on stuff

Re: [EM] PR-STV with approval based elimination

2009-05-05 Thread Dave Ketchum
I have trouble finding value in the specific label non-approved. All that I do not rank share being liked less than any others - as do those I assign lower ranks than others I indicate liking better. DWK On May 5, 2009, at 2:02 PM, Raph Frank wrote: On Tue, May 5, 2009 at 6:28 PM, Dermot

Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Juho Laatu
--- On Tue, 5/5/09, Raph Frank raph...@gmail.com wrote: Btw, one way that this approach might somewhat simplify things is that the votes could be shorter than in STV. (There might be such shortening needs also to keep the votes unidentifiable (to avoid vote buying and coercion).

Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Raph Frank
On Tue, May 5, 2009 at 11:25 PM, Juho Laatu juho4...@yahoo.co.uk wrote: The vote could be e.g. C999C888C111. Pairs of candidates like C999 and C888 might be rare enough to allow some vote buyer to mark numerous ballots. Ofc, a law banning vote buying might be enough in 99% of cases anyway.

Re: [EM] PR-STV with approval based elimination

2009-05-05 Thread Dan Bishop
Dermot Cochran wrote: On 30 Apr 2009, at 17:24, Raph Frank wrote: Another option would be to have the voter submit a ranked ballot and also have an approval threshold candidate. All candidates ranked higher than that psuedo-candidate would be considered approved. However, that gives voters

Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Dan Bishop
Raph Frank wrote: On Tue, May 5, 2009 at 7:11 PM, Juho Laatu juho4...@yahoo.co.uk wrote: Why only fraction of the vote in the election case? Doesn't a vote to a party mean that any candidate of the party may use it at full strength? Naturally once someone uses it it is not available to

Re: [EM] British Colombia considering change to STV

2009-05-05 Thread Raph Frank
On Wed, May 6, 2009 at 1:24 AM, Dan Bishop danbisho...@gmail.com wrote: The one thing you haven't mentioned is surpluses.  The symmetric-completion-compatible way of dealing with them is weight the ballot by the average of the retention fraction for the top-ranked candidates.  For example,