emanating from China's economic ascent could in theory either augment or stifle U.S. innovation. Using three decades of U ….S. patents matched to corporate owners, we quantify how foreign competition affects domestic innovation. Rising import exposure …

or stifle innovation. Using three distinct sources of variation to identify rising trade exposure, we provide a causal …-level and technology class-level patent production. Accompanying this fall in innovation, global employment, sales …