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Here's a question which we'd have called a #LazyWeb post before search engine results turned to crap; now I'd prefer to use #ExpertWeb instead.

I hope a PoliSci person reads this: are there studies exploring the prevalence of political groups employing a strategy (covert or overt) of pushing people on the opposite of the political spectrum to splinter groups unlikely to meet the electoral threshold, in party-list proportional representation systems?

(Boosts would be great, thanks!)