[EM] More on ordinal utilities

2002-01-21 Thread Mr David Catchpole
Hi, me again on the same subject, which I haven't done much work on since the last time I sent a message- but possibly enough to realise how little I know so far about game theory. I think a good point to start with, if we're trying to work out what types of games/election methods simply

[EM] My re-entry?

2001-12-28 Thread David Catchpole
Hey kids, it's been a long time! I'm paddling around in my own uninteresting eddy in voting theory still. I was wandering if anyone on this list knows of any articles about the conditions for an election system / game to be adequately informed by ordinal preferences - that is, the conditions

Re: [EM] How to run opl on Psion 3a?

2001-04-08 Thread David Catchpole
Sounds quite a bit like QuickBasic/QBasic, which are BASIC type languages with named subroutines, etc. Means there may be a prospect of us forcing our programs on each other!... On Sun, 8 Apr 2001, MIKE OSSIPOFF wrote: Well, the closest I could get to information was

Re: [EM] How to run opl on Psion 3a?

2001-04-06 Thread David Catchpole
Well, the closest I could get to information was http://www.org2.com/opl-ref/ which tells me that OPL is a BASIC type language. If that's so, I may be able to help on some of the details. But probably not on starting up. On Fri, 6 Apr 2001, MIKE OSSIPOFF wrote: The new computer that I've been

Re: Reverse Symmetry Criterion

2001-03-27 Thread David Catchpole
On Tue, 27 Mar 2001 [EMAIL PROTECTED] wrote: Mr. Harper wrote- Here's a stupid example: 11 ABCDEF 10 BCAEFD 9 CABFDE Let's see... who's the Nanson winner? 59 A 59 B 62 C If A gets excluded, B wins. If B gets excluded, C wins. Geez, it _is_ a good stupid example. No real

Re: Reverse Symmetry Criterion

2001-03-27 Thread David Catchpole
Freck, freck, freck. Bored and tired and forgetful. Should be C gets excluded with the highest reverse Borda score and A wins. Freck. Freck. Freck. On Tue, 27 Mar 2001, David Catchpole wrote: On Tue, 27 Mar 2001 [EMAIL PROTECTED] wrote: Mr. Harper wrote- Here's a stupid example: 11

Re: [EM] Remove

2001-03-21 Thread David Catchpole
This spam is getting really, really annoying. Can we do something about it? The world is getting really awful when spammers claim electronic mail lists are individual "people who enjoy gambling". On Wed, 21 Mar 2001, Enrique Bird wrote: -- From: [EMAIL PROTECTED][SMTP:[EMAIL

Re: [EM] Multiple Winners Revisted

2001-03-15 Thread David Catchpole
Well, I like pottering about with multiple winners, though I don't like expressing preferences. On a practical level I favour STV methods, but if you want more sophisticated and slightly more fair methods then I think hybrid Condorcet methods appeal the most. What do I mean? Well, say there's 5

Re: [EM] Multiple Winners Revisted

2001-03-15 Thread David Catchpole
On second thoughts the "reverse d'Hondt" idea isn't so crash hot if you want non-complexity. Maybe simple d'Hondt would be the way to go... On Fri, 16 Mar 2001, David Catchpole wrote: Well, I like pottering about with multiple winners, though I don't like expressing p

Re: [EM] IRV vs BC

2001-03-12 Thread David Catchpole
The argument isn't that BC is manipulable. In fact, being one of the few election methods that could be described in some way as "monotonic" (not necessarily an orthodox way!), Borda is eminently resistant to manipulation. However- and this is a big however- Borda is not fair. It fails a basic

Re: [EM] Approval election example

2001-03-10 Thread David Catchpole
On Sun, 11 Mar 2001, MIKE OSSIPOFF wrote: I like the idea of a demonstration poll, but voting on which months are best is difficult, it seems to me. It's something that many people don't have an opinion on. ... which probably will make the pattern of results more appealing, seeing as though

Re: [EM] Layton Craig is sorry:

2001-03-05 Thread David Catchpole
Both yield equal proportionality - Droop yields the better degree of _fairness_ and strategy-proofness because Droop is the natural quota even given a Hare quota. In a Hare quota election, aggregations of candidates should strive for a Droop quota for each of their members if they know what's

Re: [EM] draws in IRV

2001-02-18 Thread David Catchpole
Mostly, the rules call for a random selection. On Sun, 18 Feb 2001, Martin Harper wrote: What is the correct way to deal with draws in IRV - ie, in an election between A,B,C,D, where C and D tie for lowest numbers of first place votes. Should both C and D be eliminated? Or should one be

RE: [EM] draws in IRV

2001-02-18 Thread David Catchpole
nds before that). -Original Message----- From: David Catchpole [mailto:[EMAIL PROTECTED]] Sent: Monday, 19 February 2001 8:56 To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: Re: [EM] draws in IRV Mostly, the rules call for a random selection. On Sun, 18 Feb 2001, Martin Harper wrot

RE: [EM] draws in IRV

2001-02-18 Thread David Catchpole
Doubtless a by-election. On Mon, 19 Feb 2001, LAYTON Craig wrote: There is usually random selection in the first or last round (I recall a coin toss being used in one election). However, there is a little known rule of mass elimination in Australia, that eliminates all candidates except

Re: [EM] Approval Voting vs Instant Runoff Voting:

2001-02-09 Thread David Catchpole
Rolling would be Approval - an arbitrary system which is only effective (like every other election method) given perfect information. Its only advantage, that it involves no real insincerity, is a false one, because it can only make that claim because Approval has no intuitive "sincere" vote.

Re: [EM] Approval Voting vs Instant Runoff Voting:

2001-02-09 Thread David Catchpole
How about- It's effective by its standards only given perfect information. All election methods are defensible by their standards given perfect information. On Fri, 9 Feb 2001, Bart Ingles wrote: Catchybacca wrote: Rolling would be Approval - an arbitrary system which is only effective

[EM] Non-PR multiwinner election methods

2001-01-07 Thread David CATCHPOLE
Non-PR multiwinner election methods - this subject has fascinated me ever since I started considering the possibility of separate executive assemblies as an alternative to Westminster and presidential institutional forms. It's also an interesting topic given the contemporary situation in

[EM] What if... (fwd)

2000-12-12 Thread David Catchpole
--- History never repeats itself. It stutters. -- Forwarded message -- Date: Wed, 13 Dec 2000 07:53:12 +1000 From: Jamie Thomas Alcock [EMAIL PROTECTED] To: [EMAIL PROTECTED] Subject: What if... [pain]

Re: [EM] Condorcet Criterion for plurality.

2000-12-11 Thread David Catchpole
Votes: ABC ABC ABC BAC BAC CAB CAB CAB CAB Using plurality, C wins. If we assume that voters have rankings, _whether or not they can express them on their ballots_, then plurality fails a Condorcet criterion. On Mon, 11 Dec 2000, Martin Harper wrote: Markus Schulze wrote: Plurality can

Re: [EM] Condorcet Criterion for plurality.

2000-12-11 Thread David Catchpole
Elucidate? On Mon, 11 Dec 2000, Bart Ingles wrote: David Catchpole wrote: Votes: ABC ABC ABC BAC BAC CAB CAB CAB CAB Using plurality, C wins. If we assume that voters have rankings, _whether or not they can express them on their ballots_, then plurality fails

Re: [EM] Condorcet Criterion for plurality.

2000-12-11 Thread David Catchpole
But they 'don't'. The phenomenon of splitting is well known in practice. On Mon, 11 Dec 2000, Martin Harper wrote: David Catchpole wrote: Votes: 3 ABC 2 BAC 4 CAB Using plurality, C wins. If we assume that voters have rankings, _whether or not they can express them

RE: [EM] Condorcet Criterion for plurality.

2000-12-11 Thread David Catchpole
I think Martin's point is correct and insightful. The central problem of voting theory is insincerity- the divergence of the best vote from the directed vote. On Tue, 12 Dec 2000, LAYTON Craig wrote: Martin Harper wrote (in part): At the very least, it can change what a 'sincere' vote is -

Re: [EM] Another article on the Australian controversy

2000-12-08 Thread David Catchpole
It's debatable whether it counts as bribery. Most of the cases being brought up in Australia involved clear preferences prior to any exchange of money. It's a stretch to think the Dems in Lilley would have preferenced the Libs. However, the Dems were also short on money, meaning it's unlikely

RE: Differences of sincerity definitions

2000-12-03 Thread David Catchpole
I would say 1,1,2,2,3 was my preference if I were to vote with some equal rankings, though given certain rules I don't see any fundamental difference from 1,1,3,3,5 if you're voting in an STV election (I've got a pet STV system specifically designed to handle indifferant/equal rankings that has a

Re: [EM] Australia: MP says donation row highlights voting problems

2000-12-03 Thread David Catchpole
of Senate preference deals become very important as most voters vote "above the line" so that their preferences are prepared by the party they voted for and are not written on the ballot. On Mon, 4 Dec 2000, Markus Schulze wrote: Dear Craig Layton, dear David Catchpole, Rob wrote (

Re: Differences of sincerity definitions

2000-12-03 Thread David Catchpole
On Sun, 3 Dec 2000, Bart Ingles wrote: LAYTON Craig wrote: Sorry in my rather hasty example, there are supposed to be 5 candidates, with the voters preferences being: A=BC=DE My question being, how can you (in a relatively simple fashion) allow a voter to vote like this? What

Re: [EM] Australia: MP says donation row highlights voting problems

2000-12-02 Thread David Catchpole
On Sat, 2 Dec 2000, Rob Lanphier wrote: On Fri, 1 Dec 2000, Bart Ingles wrote: The grass is always greener... Yup. I found a more detailed story here: http://www.abc.net.au/news/politics/2000/12/item20001202100144_1.htm It seems a contribution was made to the Australian Democrats by

RE: [EM] Voting methods utility

2000-11-09 Thread David Catchpole
On Fri, 10 Nov 2000, LAYTON Craig wrote: David, I'll accept most of your arguments - we are approaching this in a rather different fashion. In order for this to be the case, you must assume the following; the actors preferences correspond to utility outcomes (often not the case);

RE: [EM] Voting methods utility

2000-11-09 Thread David Catchpole
On Tue, 7 Nov 2000, LAYTON Craig wrote: -Original Message- From: David Catchpole [mailto:[EMAIL PROTECTED]] Sent: Tuesday, 7 November 2000 16:02 To: '[EMAIL PROTECTED]' Subject: RE: [EM] Voting methods utility If we're to express any meaningful concept of utility we have to do

RE: [EM] Voting methods utility

2000-11-06 Thread David Catchpole
ther rules Pareto efficiency _implies that rule_. Which means if you replaced that rule with Pareto efficiency, you'd get the same result. On Tue, 7 Nov 2000, LAYTON Craig wrote: David Catchpole wrote: I think it's wholly appropriate to discuss utility when discussing voters' _

Re: [EM] Borda Count to the median

2000-10-26 Thread David Catchpole
Interesting... definitely interesting... Intuition tells me this system would be majoritarian, which knocks out the number one nasty feature of Borda. I think I'll have a fiddle around with this system! On Thu, 26 Oct 2000, Michael A. Rouse wrote: This is my first post, and I haven't had a

Re: [EM]

2000-10-08 Thread David Catchpole
On Sun, 8 Oct 2000, JanetRAnderson wrote: May I interrupt your discussion for a moment to ask a couple of questions? (I currently chair Washington Citizens for Proportional Representation and I believe this list began from our Web site. I have been a silent member of the list for the last

Re: [EM] FW: Methods of elimination in quota preferential STV

2000-10-05 Thread David Catchpole
There's always JK Galbraith's North Dakota Plan... On Fri, 6 Oct 2000, MIKE OSSIPOFF wrote: Craig Layton wrote: This is part of the problem: the disproportionate power of geography. If 5 million people in Florida have a particular point of view they have a lot of power (and even more

RE: Methods of elimination in quota preferential STV

2000-10-05 Thread David Catchpole
On Fri, 6 Oct 2000, LAYTON Craig wrote: While it is unarguably crucial to discuss the ideal single winner method (both simply in terms of the logic of majoritarian decision making on specific issues and in cases eg presidential elections, where only one winner is possible), are you all sure

RE: [EM] Methods of elimination in quota preferential STV

2000-10-04 Thread David Catchpole
I don't quite get you. Are you asking about alternatives to exclusion? On Wed, 4 Oct 2000, LAYTON Craig wrote: Yep, but I was considering the basis for excluding candidates in the first place. If, for a moment, you accept the system of electing by quotas and distributing surplus votes at

RE: [EM] Methods of elimination in quota preferential STV

2000-10-04 Thread David Catchpole
Oh sheet- correction On Thu, 5 Oct 2000, David Catchpole wrote: But aren't all those alternatives also exclusion schema? The exclusion scheme I suggested was that, rather than excluding on the basis of first preference aggregates, when an exclusion has to be made, one does

RE: [EM] Methods of elimination in quota preferential STV

2000-10-04 Thread David Catchpole
ogressively eliminate the lowest ranked (courtesy of Markus Schulze) or eliminating the bottom candidates using a quota, and redistribute their votes at a reduced transfer value (if I understand Craig Carey correctly). Craig -Original Message- From: David Catchpole [mailto:[EMAI

Re: [EM] Methods of elimination in quota preferential STV

2000-10-03 Thread David Catchpole
Hi Layton, where Nc is the number of candidates remaining that have not been elected or excluded, one can conduct a "sub" STV election of Nc-1 candidates. The candidate left over can be excluded. On Wed, 4 Oct 2000, LAYTON Craig wrote: I'm new to this mailing list (so hi). I was wondering

Re: [EM] Quick elimination of useless rules: my Meta-rules

2000-10-02 Thread David Catchpole
Problem is though that the US Presidential election system distorts the vote by its "winner takes all" selection of delegates from each State. Meaning, say, a huge number of voters in a huge State like California have their vote float away into insignificance 'cause they didn't support the

Re: [EM] FPP vs IRV: Monotonicity. Funny example.

2000-10-01 Thread David Catchpole
Hell no, FPP is _not_ monotonic. If one ranks one's real preference first rather than one's "lesser evil" [sic], a repugnant candidate can win. Tell me that's not nonmonotonicity. On Mon, 2 Oct 2000, MIKE OSSIPOFF wrote: EM list-- I forgot to add another advantage of FPP over IRV:

Re: [EM] Now don't get mad, Catchy.

2000-09-12 Thread David Catchpole
On Wed, 13 Sep 2000, MIKE OSSIPOFF wrote: They may be part of the dreaded orthodoxy Thank you for asserting that there's an academic voting system orthodoxy. But did anyone say they dreaded it? I merely indicated that I don't respect it or value it. Jeez, I sure hope you get your sarcasm

[EM] Trying again: Seeing as though I have access to a citation index...

2000-09-11 Thread David Catchpole
On Tue, 12 Sep 2000, David Catchpole wrote: According to the ISI citation index, TO VOTE OR NOT TO VOTE - WHAT IS THE QUOTA HOLZMAN R DISCRETE APPLIED MATHEMATICS 22: (2) 133-141 FEB 1989 has references

Re: [EM] Theorem equating Nanson AV-Borda with Condorcet: 3 candidates case shown

2000-09-10 Thread David Catchpole
No, Nanson is _not_ a multi-winner method (there are Condorcet analogues for multi-winner elections, but they have a general structure that their Condorcet-analogue sets of winners, if they exist, are selected, using a selected method, say STV, when compared to each of the other candidates). It's

[EM] Preoccupied with coughing up blood, 'The ring and the book' (fwd)

2000-09-10 Thread David Catchpole
rtant" -Eugene McCarthy -- Forwarded message -- Date: Sun, 10 Sep 2000 16:30:30 +1200 From: Craig Carey [EMAIL PROTECTED] To: David Catchpole [EMAIL PROTECTED] Subject: Preoccupied with coughing up blood, 'The ring and the book' I saw your botch up at the EM

Re: Fwd: [EM] Catchy goes Taxi Driver (watch my slow descent into frustration and brutality, prompted by the madness of another!) In-Reply-To: Pine.SUN.3.96.1000908232702.8295B-100000@eskimo.com

2000-09-09 Thread David Catchpole
matical Society, c1999. - Basically anything they can get their hands on that relates in the slightest to their field of interest. On Fri, 8 Sep 2000, Rob Lanphier wrote: On Sat, 9 Sep 2000, David Catchpole wrote: For feck's sake people, can we stop bagging voting theorists

Re: Sets of vertices leads nowhere; Mike Ossipoff

2000-09-09 Thread David Catchpole
has a name, but I can't remember it for the moment. Maybe Craig should test its results vs. his implicit IFPP method. On Sat, 9 Sep 2000, Craig Carey wrote: At 13:25 00.09.09 +1000 Saturday, David Catchpole wrote: On Sat, 9 Sep 2000, Craig Carey wrote: At 22:31 00.09.08 +1000 Friday, David

Re: Australian IRV voting

2000-08-30 Thread David Catchpole
It has indeed, seeing as though there's actually a big _three_, Labor and two conservative parties, the Liberals (the big big conservatives) and the Nationals (the little big conservatives). Especially in my neck of the woods (Queensland), where we have difficulty determining the difference

[EM] What happened?

2000-08-24 Thread David Catchpole
Ok- I tried to send a 30 K attachment to the list, but I haven't received the message yet and neither have I received a "message not sent" message. Does this mean Rob has to approve it, or is it well and truly lost in cyberspace?

[EM] DISASTER!

2000-08-14 Thread David Catchpole
I'm sorry sir, my computer ate my floppy disk. Meaning I probably won't be able to send the finished Cyberian Electoral Commissioner's Friend in a hurry. Thankfully, tommorow is a public holiday thanks to our State Fair, but I'll probably be too busy studying for an electromagnetic theory exam on

Re: [EM] Voting Software

2000-07-12 Thread David Catchpole
Just for your edification- I'm writing a program in Q-BASIC (ya, ya, I can hear you sniggering from here) to aid the Electoral Commissioner conducting STV elections for Cyberia ( http://vcc.4mg.com ). I might consider putting it up, along with the proposed legislation that accompanies it. It

Re: [EM] SSD BeatpathWinner

2000-06-04 Thread David Catchpole
I think it's very important that we start branching out beyond the written word when we give our explanations. Mikes's example is a good one of how piccies can be a very useful tool. I know that it has sometimes been difficult to express oneself on this list (especially to certain newer,

Re: [EM] Head-to-head: Schulze vs. MTM (majoritarian Tideman)

2000-06-04 Thread David Catchpole
On Fri, 2 Jun 2000, Steve Eppley wrote: The following data, calculated by software written to simulate many voting methods, supports my contention that MTM dominates Schulze in the head-to-head comparison of whether voters would prefer one's winners more than the other's winners.

Re: Ooh... I think he's riled. (fwd)

2000-05-30 Thread David Catchpole
Date: Wed, 31 May 2000 08:52:37 +1000 (GMT+1000) From: David Catchpole [EMAIL PROTECTED] To: Craig Carey [EMAIL PROTECTED] Cc: [EMAIL PROTECTED] Subject: Re: Ooh... I think he's riled. Now, look, (I hate it when media interviewees use that cliche), I don't like Approval, but the simple fact

[EM] Ooh... I think he's riled.

2000-05-29 Thread David Catchpole
On Tue, 30 May 2000, Craig Carey wrote: Thanks David. It makes us all seem so thoughtless. I specifically include you now that you said you are not impressed. What motivated my nasty message is the simple fact that you have indicated a posititve feature demonstrated by approval voting and

Re: [EM] Approval Vote: 99% isn't enough

2000-05-28 Thread David Catchpole
Whoa. Pareto. I'm impressed. Not. On Sun, 28 May 2000 [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] asked me to forward yet another Approval example. Respond to him and not me. - [EMAIL PROTECTED] Here is an improved example: 99 ABCDEFGHIJ 1 J Total Votes =

Re: [EM] Idea I had- The Psephocrina

2000-05-28 Thread David Catchpole
find a biased cutoff which would be used in the simulation. Assuming the utility range is 0..1, the bias value could be either 0, 1, or rand(1.0) where a new random value is obtained for each voter. Something like an 80:20 weighting (80% ideal value, 20% bias) might be a reasonable place to s

Re: [EM] Idea I had- The Psephocrina

2000-05-21 Thread David Catchpole
,... etc.) Does anyone else feel like writing an introduction to or an article on some issue that relates to theory of voting? On Thu, 18 May 2000, Bart Ingles wrote: You mean there's more than one? Jeez. David Catchpole wrote: I've sent them / him a copy of the message. On Wed, 17 May

[EM] Idea I had- The Psephocrina

2000-05-17 Thread David Catchpole
Here's an idea I had for how we can best put our expertise in one well-organised place- we have some kind of dynamic text, really an archive of documents on the web- I'd call it the "Psephocrina" (psepho, as in psephology and crinos , as in endocrinology- so Psephocriny or Psephocrina is the

Re: [EM] Idea I had- The Psephocrina

2000-05-17 Thread David Catchpole
I've sent them / him a copy of the message. On Wed, 17 May 2000, Bart Ingles wrote: What about Polytopes? David Catchpole wrote: Here's an idea I had for how we can best put our expertise in one well-organised place- we have some kind of dynamic text, really an archive

Re: [EM] Participation SARC

2000-05-09 Thread David Catchpole
Urrk. Which reminds me- my recent quest (well, yeah- maybe 6 months ago) for a convenient way to index multiwinner rankings led me to the arcane world of lattice theory. Didn't do much good, but it did occur to me that those interested in analysis of beatpath methods might want to afford it a

[EM] Aaargh... and what would that be, captain?

2000-04-16 Thread David Catchpole
Well, after some degree of procrastination, I've decided to mutiny from Craig's list. Blah. Politeness be sugared, politeness be hanged, Politeness be jumbled and tumbled and banged. It's simply a matter of putting on pace,

Re: [EM] Fw: Invitation to join politicians-and-polytopes

2000-04-10 Thread David Catchpole
On Mon, 10 Apr 2000, Norman Petry wrote: You however, have decided that the correct method must fail the Condorcet criterion. It's an interesting choice, but not one I agree with. I'm curious whether or not David Catchpole, who also seems to have a strong interest in both STV

Re: [EM] New Voting mailing list: Politicians and Polytopes

2000-04-08 Thread David Catchpole
egroups has been merging with onelist, so we can expect some interruptions. By the way,the URL links to a specific archive, which might be the problem. On Fri, 7 Apr 2000, Craig Carey wrote: I am writing to (a) get the topic in the subject field, for browsers o www.egroups.com. Also,

Re: [EM] This list

2000-04-03 Thread David Catchpole
Errrm... No comment. On Mon, 3 Apr 2000, Craig Carey wrote: I sent a message to Mr Ossipoff by accident. Please disregard the wording in it, Mr Ossipoff. This mailing list is a vehicle for informing others of what seems to be completely false information but ill defined to a degree

Re: [EM] More 0-info pairwise strategy

2000-03-29 Thread David Catchpole
On Wed, 29 Mar 2000, Markus Schulze wrote: Suppose that p(B,A) is the calculated probability that you change the winner from candidate B to candidate A when you vote A B C D sincerely. Suppose that p(B,C) is the calculated probability that you change the winner from candidate B to

Re: [EM] Real Election Percentages

2000-03-18 Thread David Catchpole
On Sat, 18 Mar 2000 [EMAIL PROTECTED] wrote: Have any estimates been done with a relatively large number of tests to get some rough idea of percentage distributions for 2 or more choices in REAL public elections ? Well-the biggest problem is that the mean and standard dev. of this majority

Re: [EM] extending Myerson's test--more policy positions

2000-03-17 Thread David Catchpole
On Fri, 17 Mar 2000, Bart Ingles wrote: David Catchpole wrote: I'll announce the approval/cumulative voting strategy that I think is useful for voters with little information about other voters. There are n candidates. Vote for the n/2 or n/2 + 1 candidates you most prefer. Any

Re: [EM] extending Myerson's test--more policy positions

2000-03-17 Thread David Catchpole
On Fri, 17 Mar 2000, Bart Ingles wrote: David Catchpole wrote: On Fri, 17 Mar 2000, Bart Ingles wrote: The proven optimal strategy when no strategy info is available is to vote for candidates for whom the voter gives above-average utilities As in above-median ; ? I take

Re: [EM] STV's rejection: it's not a defect, it's a feature!

2000-03-16 Thread David Catchpole
On Thu, 16 Mar 2000, Craig Carey wrote: 'Equal information' has no analogy to equal richness or equal power. Hell yeah, it does. By "Equal information" we mean equal knowledge about the opinions and responses of other voters- and, in most cases, that = power = wealth quite definitely. An

Re: [EM] STV's rejection: it's not a defect, it's a feature!

2000-03-16 Thread David Catchpole
On Thu, 16 Mar 2000, Bart Ingles wrote: This sounds like the block voting method used in most U.S. city council-type elections. I can see how the vote would be split by three or more factions contesting for all of the seats (because voters are limited to 8 choices), and I can see how

Re: [EM] extending Myerson's test--more policy positions

2000-03-16 Thread David Catchpole
I'll announce the approval/cumulative voting strategy that I think is useful for voters with little information about other voters. There are n candidates. Vote for the n/2 or n/2 + 1 candidates you most prefer. Any other suggestions? On Fri, 17 Mar 2000, MIKE OSSIPOFF wrote: It's sometimes

Re: [EM] STV's rejection: it's not a defect, it's a feature!

2000-03-15 Thread David Catchpole
rences?. (I will call that truncation resistance. It is a property that STV satisfies, as some books point out). I prompt Mr David Catchpole and Demorep1 to tell us (or me), if it is tolerable to allow that property to be not satisfied. I am suspecting that people in the UK mi

Re: [EM] Spam control

2000-03-11 Thread David Catchpole
I'm on several egroups lists which have an open submission policy, and I have to say that I haven't had spam within memory on any of them. On Fri, 10 Mar 2000, Rob Lanphier wrote: One measure that I use to limit spam to this list is to not allow email from those that are not list members.

RE: Arrow/IA/IIAC

2000-03-11 Thread David Catchpole
On Sat, 11 Mar 2000 [EMAIL PROTECTED] wrote: Which is the highest head to head majority (and thus the most likely correct) ? 65 BC (with C being the most likely clone)Duh ? A voting paradox will still exist in several cases in which, at least, the addition of a close clone will punish

[EM] Catchy's big ranking-space problem.

2000-03-05 Thread David Catchpole
from a subset. Thanks, David Catchpole.

Re: N/P Scales

2000-03-05 Thread David Catchpole
On Sun, 5 Mar 2000 [EMAIL PROTECTED] wrote: Mundane example- A group of folks want to go out together. Proposed choices- movie, sports event, bar, etc. Some folks may not care about certain choices- neither for or against. However, what about the people who are indifferent between

Re: [EM] N/P Scales

2000-03-04 Thread David Catchpole
That is such a faulty version of utility I don't know why I'm responding! Sorry, no offence really intended, but where's the point and reason in zero means neutral (do not care)? Care about what? The common utility formalism attaches a comparative value (utility) to each outcome, according to

Re: [EM] pairwise matrices and ballots

2000-02-26 Thread David Catchpole
I'm not quite sure of what you mean, but, for instance, there's no way to produce rankings such that |{AB}|=|{BC}|=|{CA}|=total all votes. Could someone clarify? On Sat, 26 Feb 2000, MIKE OSSIPOFF wrote: Blake-- You have in your possession Bruce Anderson's proof that for every

Re: [EM] Tideman and GMC

2000-02-06 Thread David Catchpole
Sorry it took me so long to respond. I've had a week without internet (gasp!) On Sun, 30 Jan 2000, Blake Cretney wrote: David Catchpole wrote: On Sun, 30 Jan 2000, David Catchpole wrote: Can someone refresh my memory- where a candidate A has a majority beat path to candidate B and B

Re: [EM] Tideman and GMC

2000-01-29 Thread David Catchpole
On Sun, 30 Jan 2000, Markus Schulze wrote: The exact mathematical formulation of beat path GMC looks as follows: "X Y" means that an absolute majority of the voters strictly prefers candidate X to candidate Y. "There is a majority beat path from X to Y" means that (1) X Y or

Re: [EM] Tideman and GMC

2000-01-29 Thread David Catchpole
ority or a tie..." and "majority beat path" were redefined accordingly, the statement below would be true. Consider a vote-cycle ABCDEA . In order for D-E-A not to constitute a vote-cycle in itself, ABCDA. Similarly, ABCA. So there's a demonstration. On Sun, 30 Jan 2000, David Catchpole

Re: [EM] Candidate vote transfer p.r. method, 16 Jan 2000

2000-01-23 Thread David Catchpole
Que wha...? OK... what purpose does this serve, making comments about other members of the list, some of which are dubious, to say the least (though yes, Demorep is indeed a woman, and came out as one in the first few weeks of the list). How about everyone spill the beans about their personal

Re: Pattanaik and Peleg's 'Regularity' is not be

1999-12-20 Thread David Catchpole
A formalism is the strcture in which the exposition is put (couched). For instance, in Quantum Physics, the formalism most often applied is the Dirac formalism, which is the one with Bras and Kets, but other formalisms are also useful. Really, Craig, confusing (dementing?) references to blue

RE: (P1) defined

1999-12-17 Thread David Catchpole
The question may well become one of asking whether the addition of clones should help or harm their side. In the interests of participation, I addition (removal) should not harm (help) the side. This is the basis behind the "no splitting" rules I put up in the dim distant past. (Note, Craig-

Re: [EM] Pattanaik and Peleg's 'Regularity' is not better

1999-12-17 Thread David Catchpole
ordinary preferential method (the 2 candidate 1 winner formula) in a probability form. Obviously that can be done for all methods. Any disputes over tie probabilities can be excluded. At 15:40 16.12.99 , David Catchpole wrote

Re: FPTP ...) In STV 2nd preference won't harm 1st choice

1999-12-14 Thread David Catchpole
Craig wrote: If that is the STV method, then the second choice can't harm the candidate of the first preference. The word "false", could be changed to the word "true". Yes, second preferences can't harm the candidate of the first preference. However, first preferences can harm the

[EM] Introduction to Distribution of power under stochastic social choice rules Pattanaik and Peleg, Econometrica Vol 54 No 4 Resent-Message-Id: GfNao3.0.J03.N_mLu@mx1

1999-12-14 Thread David Catchpole
Distribution of power under stochastic social choice rules Prasanta K. Pattanaik and Bezalel Peleg Econometrica Vol 54 No 4 Abstract: This paper considers stochastic social choice rules which, for every feasible set of alternatives and every profile of individual orderings, specify social choice

Re: [EM] Multiwinner participation rule. Geometric descriptions

1999-12-12 Thread David Catchpole
Wha the? (more further down) Message 3: --- Subject: RE: The family of "regular" probabilistic (stochastic) electoral systems At 13:48 12.12.99 , David Catchpole wrote: On Wed, 8 Dec 1999 [EMAIL PROTECTED] wrote: ... D- A simple example-

RE: The family of regular probabilistic (stochastic) electoralsystems

1999-12-11 Thread David Catchpole
Ja, vat ist das problem? Obviously, A's removal will _increase_ B's probability of winning to unity. Regularity is cool with this- it would rather be offended if the reverse occured. Note the use of corresponding brackets for (removal) and (decrease). This saves me "respectively" bullshit or (i)

Re: FPTP family theory, REDLOG shadowing

1999-12-11 Thread David Catchpole
PS. I've decided to call it the Saari Octahedron from now on, seeing as though it really isn't cubic or even rhomboid. On Wed, 8 Dec 1999, Markus Schulze wrote: Dear Craig, it seems to me that you walked into Saari's trap. Although you don't promote the Borda Method, you use Saari's

RE: The family of regular probabilistic (stochastic) electoral systems

1999-12-11 Thread David Catchpole
On Wed, 8 Dec 1999 [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote in part-- Okay- "Regularity" is the name used earlier by Albert Langer (Craig might recognise the name ;) ) to describe the probabilistic analogue of IIA. It goes like this- The addition (removal) of a candidate does

RE: The family of regular probabilistic (stochastic) electoralsystems

1999-12-11 Thread David Catchpole
On Thu, 9 Dec 1999, Craig Carey wrote: I doubt cubes have a place in voting theory. If the 3 candidate either win or lose, then the cube has no interior, it is just 8 points. It hardly matters if it is a Well, it's not a cube per se, but rather an octahedron formed by the intersection of

Re: FPTP family theory, REDLOG shadowing

1999-12-11 Thread David Catchpole
Saari also uses a triangle, but the triangle doesn't go far enough in an analysis of what's a possible configuration of votes and what's not. That's where the Saari octahedron kicks in in his analysis. On Fri, 10 Dec 1999, Markus Schulze wrote: Dear Craig, you wrote (9 Dec 1999): I am

Re: FPTP family theory, REDLOG shadowing

1999-12-10 Thread David Catchpole
ackage for REDUCE. REDUCE runs in LISP.) - A rule of Mr Catchpole is examined and rejected for requiring that a method (where the papers are constrained to be just 3) is FPTP... At 15:39 08.12.99 , David Ca

Re: [EM] Accountability under.. ] The MMPP MMP method

1999-11-29 Thread David Catchpole
Probably wouldn't have desired effect as preferences would still flow from party voters outside an electorate. Picture it- if a candidate A fails to win in an electorate but is voted first by all party voters, A will still be elected amongst the "top-ups." On Tue, 30 Nov 1999, Craig Carey wrote:

Re: [EM] NZ's Labour ahead, etc. (FWD)

1999-11-24 Thread David Catchpole
On Mon, 22 Nov 1999 [EMAIL PROTECTED] wrote: ACT could decide to go head-to-head with National to increase its own strength in opposition, turning its back on any co-operative election campaign, the paper said. I love it when the loony right decide to split the vote! NZ uses FPTP in its

Re: [EM] Droop as a Religious Belief

1999-11-24 Thread David Catchpole
chant. They have been debating on a different level, they are on a religious level. To them, Droop is a Religious Belief. Something they are required to believe without question. And now this David Catchpole comes along and confirms that Droop's proportionality is based on religious be

Re: [EM] Droop as a Religious Belief

1999-11-24 Thread David Catchpole
On Thu, 25 Nov 1999, Craig Carey wrote: At 12:11 25.11.99 , David Catchpole wrote: Better to side with the mainstream than with an irrational cult, D. Why is it better to side with the mainstream, Mr Catchpole?. Where it's a choice between a crowd of people and a small herd of lemmings

Re: [EM] No splitting rule

1999-11-22 Thread David Catchpole
Hi Craig- On Fri, 19 Nov 1999, Craig Carey wrote: With the removal of a candidate A, either- (i) A was one of the old winners; or (ii) There's no change; or (iii) Of those who rank some possible combination of winning candidates including A over the old and new winning combinations, at

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