Are you evaluating heterogeneous treatment effects in selected samples? Are you missing an instrumental variable? Are conventional effect bounds (e.g. Lee bounds) too wide? Then look no further: Bounds for heterogeneous treatment effects under sample selection + R package. 🧵 1/8
People turning 40 or 50 now are actually in worse health than the people who were born a decade or two earlier were at the same age https://t.co/PnYPGuWNfv
Hansi Flick: "The past two years will be unforgettable for me. I really enjoyed the emotions, the victories, the titles, but also the daily work on the pitch - it was an outstanding time. Success can only be achieved together" [fcb]