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Growth through Heterogeneous Innovations
Akcigit, Ufuk; Kerr, William R. - Department of Economics, University of Pennsylvania - 2010
framework that contains multiple innovation sizes, multi-product firms, and entry/exit. Firms invest in exploration R&D to … regularities regarding innovation and growth differences across the firm size distribution. We also incorporate patent citations …
Persistent link: https://www.econbiz.de/10008674319
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The Supply Side of Innovation: H-1B Visa Reforms and US Ethnic Invention
Kerr, William R.; Lincoln, William F. - Harvard Business School, Harvard University - 2008
This study evaluates the impact of high-skilled immigrants on US technology formation. Specifically, we use reduced-form specifications that exploit large changes in the H-1B visa program. Fluctuations in H-1B admissions levels significantly influence the rate of Indian and Chinese patenting in...
Persistent link: https://www.econbiz.de/10005754945
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The Agglomeration of US Ethnic Inventors
Kerr, William R. - Harvard Business School, Harvard University - 2008
agglomeration of US innovation. This study applies an ethnic-name database to individual US patent records to explore these trends …
Persistent link: https://www.econbiz.de/10005237019
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Growth through heterogeneous innovations
Akcigit, Ufuk; Kerr, William R. - 2013
framework that contains multiple innovation sizes, multi-product firms, and entry/exit. Firms invest in exploration R&D to … regularities regarding innovation and growth differences across the firm size distribution. We also incorporate patent citations …
Persistent link: https://www.econbiz.de/10012148199
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The Ethnic Composition of US Inventors
Kerr, William R. - Harvard Business School, Harvard University - 2007
India. Growth in ethnic innovation is concentrated in high-tech sectors; the institutional and geographic dimensions are …
Persistent link: https://www.econbiz.de/10005818698
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Breakthrough Inventions and Migrating Clusters of Innovation
Kerr, William R. - Harvard Business School, Harvard University - 2009
We investigate the speed at which clusters of invention for a technology migrate spatially following breakthrough inventions. We identify breakthrough inventions as the top one percent of US inventions for a technology during 1975-1984 in terms of subsequent citations. Patenting growth is...
Persistent link: https://www.econbiz.de/10005026825