Noah Smith: "OOOOOOOOOOOOOPS! Trump's tariffs made steel more expensive, which made U.S. manufacturing harder, which pushed consumers to buy more imported goods. WHO COULD HAVE PREDICTED THIS WOULD HAPPEN?

Erik Brynjolfsson: "Economics 101 can be a harsh teacher: 'U.S. firms say some customers are opting to import finished goods rather than absorb price increases; "a nightmare for steel consumers"'—@WSJ..."