Steven Levitt (Freakonomics author) seems to be totally incompetent https://www.sciencedirect.com/science/article/pii/S030440760900195X …pic.twitter.com/7vMGHnuoIM
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Very interesting John Rust article. I'll have to read it at leisure. He was one of my econometrics TAs in grad school and is dependable, but very much a structuralist. It's a good method, but very hard. I didn't know it went out of fashion 10 years ago! Maybe he's wrong.