<div dir="auto">It’s surprising that participation-violation is unconstitutional in Germany, because, here, even Hare’s greater nonmonotonicity is okay.</div><div dir="auto"><br></div><div dir="auto">It’s disingenuous to say that Hare is nonmonotonic & Condorcet isn’t. Nonmonotonicity is just defined to give Condorcet, with it’s participation-failure, a pass.</div><div dir="auto"><br></div><div dir="auto">I’ve heard that Participation & the Condorcet Criterion are mutually incompatible. I feel that participation-failure is an acceptable price for the Condorcet Criterion. Always electing the voted CW brings strategy improvement, & the unpredictable & rare participation-failure is probably irrelevant to strategy.</div><div dir="auto"><br></div><div dir="auto">But that incompatibility, along with the ones Arrow pointed-out, shows that single-winner elections aren’t perfect. …making a good argument for PR…*monotonic* PR, which excludes STV & Largest-Remainder.</div><div dir="auto"><br></div><div dir="auto">Maybe, as a PR country (like 2/3 of the world’s countries), Germany feels no need to compromise participation.</div><div dir="auto"><br></div><div dir="auto">We’re told that list-PR “hasn’t been tried”. No, just in 2/3 of the world’s countries for about a century.</div><div dir="auto"><br></div><div dir="auto">But, with that counterfactual “hasn’t been tried” excuse, we’re stuck in the 18th century, & always will be, while most of the world has moved on to democracy.</div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Feb 28, 2024 at 10:36 Closed Limelike Curves <<a href="mailto:closed.limelike.curves@gmail.com">closed.limelike.curves@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div dir="ltr">Can Condorcet be weakened to comply with participation? Condorcet methods have plenty of advantages, but systems failing participation are vulnerable to court challenges or being struck down as unconstitutional, as seen in Germany.<br></div></div>
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