[EM] Unranked IRV versus Approval - divergent winners exist!]
mcnh2 at cam.ac.uk
Mon Apr 2 15:32:17 PDT 2001
Tom Ruen wrote:
> My point is a runoff process works to identify strong candidates and
> should be a minimum reform over plurality.
Agreed. Plurality is sick, and IRV would be a good deal better. If it's
between IRV or Plurality I'd prefer IRV - but I'd prefer Condorcet or
> Methods like Approval can work too, and more simply perhaps, but it is
> not very helpful in my opinion when there are 3 strong candidates. It
> still a game of chicken.
Just like IRV, as you said yourself.
At least in approval we won't crash and elect the second-worst candidate
elect a compromise candidate who has broad support. Plus you don't need
to play the game.
> About random ballots, here's a fun PR system for gamblers.
> Give every voter
> 100 points to distribute among all their choices as they like. Then
> the points and pick a winner randomly in proportional to votes
> This throws majority rule out the window as no candidate is guaranteed
> victory without 100% of the vote.
PR system? It looks like it's a single winner system to me - where's the
proportionality? It is also identical to Random Ballot in results -
conceptually somewhat different, and harder to implement. The best
to give all your points to your most preferred candidate.
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