[EM] What should an ideal single-winner method achieve?
km_elmet at t-online.de
Fri Jun 28 00:06:25 PDT 2019
On 28/06/2019 00.41, fdpk69p6uq at snkmail.com wrote:
> On Thu, Jun 27, 2019 at 10:31 AM Toby Pereira wrote:
> Personally, the measure that makes most sense to me is to maximise
> utility. But this doesn't automatically mean score voting (where a
> score could simply be seen as a utility rating of a candidate), at
> least in part because strategies that voters adopt might reduce its
> Yep, maximizing utility is the correct answer (= finding the candidate
> that best represents the entire electorate), and the best way to get
> that kind of information is with rated ballots.
> Condorcet ranked systems will also typically elect the Utilitarian
> Winner, but only because real-world voting behavior typically follows a
> spatial model with unimodal distribution.
> Voter strategy on rated ballots is way overblown.
> 1. It doesn't happen much in real elections.
Could you give some sources for use of rated ballots in actual elections
with a large electorate (e.g. not polls or surveys)? I don't think I've
seen any such, and it would be useful to have.
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