Since we're discussing IRV quite a bit lately, here's a question: - Is there any voter profile where IRV gives a worse result than plurality?
I can't seem to think of one. So is it true that, mathematically, IRV dominates Plurality, that is IRV is always at least as good as plurality and sometimes strictly better? Even if that is true, I still believe that IRV is harmful, socially. By successfully avoiding the traditional spoiler problem (where spoilers are very weak), it leads people to believe that it is immune to the spoiler problem. Then it leads them directly into the second-tier spoiler scenarios where a large group of voters will, by voting honestly, cause their least favorite candidate to win. ~ Andy
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