Two central puzzles about social norms are how they are enforced and how they are created or modified. The sanctions for violation of a norm can be categorized as automatic, guilt, shame, informational, bilateral- costly, and multilateral-costly. Problems in creating and enforcing norms are...

Larry Lessig flagellates himself about losing the Eldred case, which upheld the legality of copyright extensions. He shouldn't: Eldred was unwinnable. (The Court's 7-2 vote is one clue). Besides, the worst of the Sonny Bono Copyright Term Extension Act's effects can still be made to disappear,...