<div dir="ltr"><div>For the Intel Science Talent Search, Warren Smith and I are working on a system to measure how representative the groups created by various multiwinner electoral methods are. This shall be done by having the public have opinions of various binary social issues and the candidates will have stance on these. Then the group of winners will get together and vote (using the only reasonable voting method with two options) and this will be the basis for seeing how well the winners have "emulated" society.</div>
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<div>Several things to note,</div>
<div>a) This represents a departure from the tradition concept of utility somewhat. The candidates themselves won't have utility (they may have something resembling it, but that comes much MUCH later) instead the net opinions of parliament will.</div>
<div>b) In order to simulate strategic voting, either the Vote By Result system I described earlier will be used or one based on assigning "victory probabilities" to candidates in a massive feedback loop that will eventually approach equilibrium. More on this later</div>
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<div>Anyway, onto the main point.</div>
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<div>If you have a multiwinner method of some sort, that would be great. Party-related methods are great, but as we aren't exactly sure how to emulate parties yet.. they are less useful now than they would be, say in a month, that's no reason not to suggest a nice party method, but just sort of keep that in mind. </div>
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<div>Both ranked and rated ballot methods are appreciated. If you have some variation of an existing method that is great too.</div>
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<div>Single winner methods are also appreciated. We are going to attempt districted single winner methods as well for the purposes of this thing. The number of single winner methods tested won't be quite as generous as the other Bayesian regret tests, but whatever.</div>
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<div>The current multiwinner methods I can think of off the top of my head are:</div>
<div>CPO-STV</div>
<div>STV with various transfer rules (I don't anticipate TOO great a difference here)</div>
<div>RRV</div>
<div>PAV (proportional approval voting)</div>
<div>PRV ( " " range " " )</div>
<div>SNTV</div>
<div>MMP</div>
<div>Cumulative Voting</div>
<div>Sainte-Lague</div>
<div>Largest Rem</div>
<div>D'Hondt</div>
<div>Limited Vote</div>
<div>Block Vote</div>
<div>Sortition (Random Winner)</div>
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<div>And, a special place of (dis)honor is reserved for distrticted FPTP. It is the norm for Anglophone countries and a cause of political misery the world over. </div>
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<div>I know many of those methods listed are crappy, but I say some kind of yardstick is called for.</div>
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<div>Oh yeah, if your method is sufficiently obscure, please maybe give a brief description of how it works or a hyperlink to one.</div></div>