Harvard Business School
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NBER Working Papers and Publications
|December 2016||Foreign Competition and Domestic Innovation: Evidence from U.S. Patents|
with David Autor, David Dorn, Gordon H. Hanson, Pian Shu: w22879
Manufacturing is the locus of U.S. innovation, accounting for more than three quarters of U.S. corporate patents. The rise of import competition from China has represented a major competitive shock to the sector, which in theory could benefit or stifle innovation. In this paper we empirically examine how rising import competition from China has affected U.S. innovation. We confront two empirical challenges in assessing the impact. We map all U.S. utility patents granted by March 2013 to firm-level data using a novel internet-based matching algorithm that corrects for a preponderance of false negatives when using firm names alone. And we contend with the fact that patenting is highly concentrated in certain product categories and that this concentration has been shifting over time. Accounti...