American political commentators have frequently called for the U.S. president to take effective action to improve world economic growth. Such calls are a form of what Matthew Yglesias has dubbed “Green Lanternism”—the unspoken theory that the U.S. president’s ability to affect outcomes is primarily affected by his willpower. In this article, I examine the opposite—and ...

Andrew Gelman has a post on the benefits of negative criticism, where he talks about the careful methodological demolitions he has done of others’ research that he has found to be slipshod. if you want to go against the grain you have to work harder to convince people. My point is that this is the ...