Re: [EM] Survey of Multiwinner Methods

2013-01-08 Thread Kristofer Munsterhjelm
On 01/08/2013 04:30 AM, Jameson Quinn wrote: 2013/1/7 Greg Nisbet gregory.nis...@gmail.com mailto:gregory.nis...@gmail.com Hey, I'd like to get a sense of what sorts of multiwinner methods are currently known that are reasonably good and don't require districts, parties, or

Re: [EM] Survey of Multiwinner Methods

2013-01-08 Thread Greg Nisbet
There's some definite motivation for writing the list of criteria to exclude parties, districts, and relying on candidates making decisions. These sorts of mechanisms are not always available (for instance, picking pizza toppings or locations or something of that nature). That's not to say that

Re: [EM] [CES #6984] Re: Wow: new, simple Bucklin motivation for CMJ. So renaming to Graduated MJ.

2013-01-08 Thread Warren Smith
So should this realization by Jameson Quinn tell us that all previous historical examples of Bucklin voting should be regarded as examples of the Majority-Judgment median-based system, and hence can be used to help evaluate how the latter behaves in practice? Unfortunately I think not because I

Re: [EM] Survey of Multiwinner Methods

2013-01-08 Thread Abd ul-Rahman Lomax
At 03:24 AM 1/8/2013, Greg Nisbet wrote: There's some definite motivation for writing the list of criteria to exclude parties, districts, and relying on candidates making decisions. These sorts of mechanisms are not always available (for instance, picking pizza toppings or locations or

Re: [EM] [CES #6984] Re: Wow: new, simple Bucklin motivation for CMJ. So renaming to Graduated MJ.

2013-01-08 Thread Abd ul-Rahman Lomax
At 09:34 PM 1/7/2013, William Waugh wrote: If I were a strategist for a party that has not had a plurality but may be coming close to one, I would see no reason to treat any kind of Bucklin election differently from an Approval election, unless I am missing something. It is an Approval

Re: [EM] [CES #6985] Re: Wow: new, simple Bucklin motivation for CMJ. So renaming to Graduated MJ.

2013-01-08 Thread Abd ul-Rahman Lomax
At 01:03 PM 1/8/2013, Warren Smith wrote: So should this realization by Jameson Quinn tell us that all previous historical examples of Bucklin voting should be regarded as examples of the Majority-Judgment median-based system, and hence can be used to help evaluate how the latter behaves in

Re: [EM] [CES #6984] Re: Wow: new, simple Bucklin motivation for CMJ. So renaming to Graduated MJ.

2013-01-08 Thread robert bristow-johnson
On 1/8/13 1:03 PM, Warren Smith wrote: So should this realization by Jameson Quinn tell us that all previous historical examples of Bucklin voting should be regarded as examples of the Majority-Judgment median-based system, and hence can be used to help evaluate how the latter behaves in

Re: [EM] Survey of Multiwinner Methods

2013-01-08 Thread Richard Fobes
On 1/7/2013 1:04 PM, Greg Nisbet wrote: Hey, I'd like to get a sense of what sorts of multiwinner methods are currently known that are reasonably good and don't require districts, parties, or candidates that are capable of making decisions On 1/8/2013 12:24 AM, Greg Nisbet wrote:

Re: [EM] Survey of Multiwinner Methods

2013-01-08 Thread Kristofer Munsterhjelm
On 01/08/2013 09:24 AM, Greg Nisbet wrote: There's some definite motivation for writing the list of criteria to exclude parties, districts, and relying on candidates making decisions. These sorts of mechanisms are not always available (for instance, picking pizza toppings or locations or

Re: [EM] Survey of Multiwinner Methods

2013-01-08 Thread Greg Nisbet
I don't doubt that Asset has some desirable properties, but trying to compare it to conservative methods like STV is difficult. In particular, conservative multiwinner methods are more amenable to Bayesian Regret-type simulations than methods with districts, parties, or candidates capable of

[EM] Comment on MJ discussion (Jameson Reply)

2013-01-08 Thread Michael Ossipoff
I'd said: Exactly. Your letter-grades encourage sub-optimal voting. Jameson said: Zero-info optimal strategy is to vote on an absolute scale such that for recent elections you would have given equal numbers of each grade A-D and twice that number of Fs. (Or slightly more sophisticated: give the

Re: [EM] [CES #6984] Re: Wow: new, simple Bucklin motivation for CMJ. So renaming to Graduated MJ.

2013-01-08 Thread Abd ul-Rahman Lomax
At 02:31 PM 1/8/2013, robert bristow-johnson wrote: On 1/8/13 1:03 PM, Warren Smith wrote: So should this realization by Jameson Quinn tell us that all previous historical examples of Bucklin voting should be regarded as examples of the Majority-Judgment median-based system, and hence can be