is weak. We also connect collaborative patents to the ethnic composition of the firm's U.S. inventors and cross …-border mobility of inventors within the firm. The inventor team composition has important consequences for how the new knowledge is …

specifications find weak crowding-in effects or no effect at all for native patenting. Total invention increases with higher … admission levels primarily through the direct contributions of ethnic inventors. …

agglomeration of US innovation. This study applies an ethnic-name database to individual US patent records to explore these trends …The ethnic composition of US inventors is undergoing a significant transformation - with deep impacts for the overall … dramatically in the 1990s. At the same time, these ethnic inventors became more spatially concentrated across US cities. The …

ethnic-name database to individual patent records granted by the United States Patent and Trademark Office to document these … India. Growth in ethnic innovation is concentrated in high-tech sectors; the institutional and geographic dimensions are …

Immigrants account for about a quarter of US invention and entrepreneurship despite a policy environment that is not … reforms that would likely increase the rate of innovation and the number of startups due to immigrants in the country. Key …