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Great video except that it's misleading at the end. Arrow's theorem is only about rank-order voting. But if e.g. you can express your preferences as numbers (e.
by throwaway613834 9y ago
Great video except that it's misleading at the end. Arrow's theorem is only about rank-order voting. But if e.g. you can express your preferences as numbers (e.g. if you can state your preferences as 10% strawberry, 30% vanilla, and 60% chocolate) then it no longer applies.
- Bromskloss 9y agoIndeed. It seems that those voting systems too can be proven [0] to have these problems, though. [0] https://politics.stackexchange.com/questions/14015/does-gibbard-satterthwaite-theorem-apply-to-all-voting-systems/14245 https://politics.stackexchange.com/questions/14015/does-gibb...
- throwaway613834 9y agoHoly hell, that is mindblowing. Thank you for sharing this.