Innovation is part idea generation and part development. We build a model of “innovating-bydoing,” whereby ideas come … to practitioners. Successful innovation requires that practitioners’ideas be developed through costly effort. Our model … program onmedical equipment innovation. Our model’s structure allows us to infer the Medicare program’saggregate effects. We …

supply on automation innovation by exploiting an immigrant placement policy in Germany during the 1990s and 2000s. Difference …-in-differences estimates indicate that one additional worker per 1,000 manual and unskilled workers reduces automation innovation by 0 …-skilled workers. Labor market tightness and external demand are plausible mechanisms for the labor-innovation nexus …