The @w3ctag election uses STV, a proportional voting system. With it, strategic voting is beneficial but dangerous: In an election with 2 seats, 60% prefer A,B; 40% prefer A,C. If the 40% are honest, A,B win. If the 40% rank C,A, those two win. If everyone's strategic, A loses.
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It seems like this is a fundamental property of proportional voting systems? Are there any that are better at encouraging voters to be honest?
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Replying to @jyasskin
There's a good bit of data on this at en.wikipedia.org/wiki/Compar… though I'm not sure at first glance which (if any) criterion is relevant to your question. There's a whole field of research in mathematics about this... and then there's also how they work in practical politics.

Comparison of electoral systems - Wikipedia

en.wikipedia.org

Dec 8, 2020 · 8:51 PM UTC

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Replying to @davidbaron
I think I was talking about "No Favorite Betrayal", and indeed, that's all "No"s for the proportional non-party-based mechanisms. Voting is a fun topic: I know just enough to be annoying to the people who actually understand it.
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