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Comparative Localization of Academic and Industrial Spillovers
Adams, James D. - 2001
This paper studies localization of academic and industrial knowledge spillovers. Using data on U.S. Research and Development laboratories, that quantify spatial aspects of learning about universities and firms as well as their locations, I find that academic spillovers are more localized than...
Persistent link: https://www.econbiz.de/10012470432
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The Geography and Channels of Diffusion at the World's Technology Frontier
Keller, Wolfgang - 2001
Convergence in per capita income turns on whether technological knowledge spillovers are global or local. Global spillovers favor convergence, while a geographically limited scope of knowledge diffusion can lead to regional clusters of countries with persistently different levels of income per...
Persistent link: https://www.econbiz.de/10012470576
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Knowledge Spillovers and Learning in the Workplace : Evidence from the U.S. Patent Office
Frakes, Michael D. - 2017
Using application-level data from the Patent Office from 2001 to 2012, merged with personnel data on patent examiners …, we explore the extent to which the key decision of examiners--whether to allow a patent--is shaped by the granting styles … grant rate of her peer group, an examiner in her first two years at the Patent Office will experience a 0.15 standard …
Persistent link: https://www.econbiz.de/10012453554
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Capturing Technological Opportunity via Japan's Star Scientists : Evidence from Japanese Firms' Biotech Patents and Products
Zucker, Lynne G. - 1998
Using detailed data on biotechnology in Japan, we find that identifiable collaborations" between particular university star scientists and firms have a large positive impact on firms'" research productivity, increasing the average firm's biotech patents by 34 percent development by 27 percent,...
Persistent link: https://www.econbiz.de/10012472457
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International Knowledge Flows : Evidence from Patent Citations
Jaffe, Adam B. - 1998
other citations; (2) patents in the same patent class are approximately 100 times as likely to cite each other as patents … from different patent classes there is not a strong time pattern to this effect; (3) patents whose inventors reside in the …
Persistent link: https://www.econbiz.de/10012472296
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Econometric Evidence on the R&D Depreciation Rate
de Rassenfosse, Gaétan - 2017
presents estimates of the effect of patent protection on the depreciation rate. Results suggest that the yearly depreciation … averaging 8-9 per cent. Patent protection slows down the erosion of profits by about 1-2 percentage points …
Persistent link: https://www.econbiz.de/10012455608
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Geographic Localization of International Technology Diffusion
Keller, Wolfgang - 2000
Convergence in per capita income across countries turns on whether technological knowledge spillover are global or local. This paper estimates the amount of spillover from R&D expenditures in major industrialized countries on a geographic basis. A new data set is used which encompasses most of...
Persistent link: https://www.econbiz.de/10012471267
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The Returns to Face-to-Face Interactions : Knowledge Spillovers in Silicon Valley
Atkin, David; Chen, Keith; Popov, Anton - National Bureau of Economic Research - 2022
. However, the existing literature studying patterns of geographic proximity in patent citations or industrial co-location has …
Persistent link: https://www.econbiz.de/10013334366
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Investment-Horizon Spillovers
Chinco, Alexander M. - 2017
This paper uses wavelets to decompose each stock's trading-volume variance into frequency-specific components. We find that stocks dominated by short-run fluctuations in trading volume have abnormal returns that are 1% per month higher than otherwise similar stocks where short-run fluctuations...
Persistent link: https://www.econbiz.de/10012455032
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Identifying Agglomeration Spillovers : Evidence from Million Dollar Plants
Greenstone, Michael - 2008
After the new plant opening, incumbent plants in winning counties experience a sharp relative increase in TFP. Five years after the opening, TFP of incumbent plants in winning counties is 12% higher than TFP of incumbent plants in losing counties. Consistent with some theories of agglomeration,...
Persistent link: https://www.econbiz.de/10012464813