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Strategic patenting and software innovation
Noel, Michael; Schankerman, Mark - London School of Economics (LSE) - 2006
software industry. We focus on two key aspects: patent portfolio size which affects bargaining power in patent disputes, and … the fragmentation of patent rights (.patent thickets.) which increases the transaction costs of enforcement. We develop a …
Persistent link: https://www.econbiz.de/10010744919
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Research productivity and patent quality: measurement with multiple indicators
Olson Lanjouw, Jean; Schankerman, Mark - London School of Economics (LSE) - 2002
technological exhaustion. We first develop an index of patent ‘quality’ using detailed information on patents in the U.S. in seven …We analyse the determinants of the decline in measured research productivity (the patent/R&D ratio) using panel data on … manufacturing firms in the U.S. for the period 1980-93. We focus on three factors: the level of demand, the quality of patents, and …
Persistent link: https://www.econbiz.de/10010746047
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Strategic patenting and software innovation
Noel, Michael; Schankerman, Mark - London School of Economics (LSE) - 2006
software industry. We focus on two key aspects: patent portfolio size which affects bargaining power in patent disputes, and … the fragmentation of patent rights (.patent thickets.) which increases the transaction costs of enforcement. We develop a …
Persistent link: https://www.econbiz.de/10010746431
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Identifying technology spillovers and product market rivalry
Bloom, Nick; Schankerman, Mark; Van Reenen, John - London School of Economics (LSE) - 2005
Government policies to support R&D are predicated on empirical evidence of R&D "spillovers" between firms. But there are two countervailing R&D spillovers: positive effects from technology spillovers and negative effects from business stealing by product market rivals. We develop a general...
Persistent link: https://www.econbiz.de/10011125934
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Identifying technology spillovers and product market rivalry
Bloom, Nick; Schankerman, Mark; Van Reenen, John - London School of Economics (LSE) - 2013
The impact of R&D on growth through spillovers has been a major topic of economic research over the last thirty years. A central problem in the literature is that firm performance is affected by two countervailing "spillovers" : a positive effect from technology (knowledge) spillovers and a...
Persistent link: https://www.econbiz.de/10011126004
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Identifying technology spillovers and product market rivalry
Bloom, Nick; Schankerman, Mark; Van Reenen, John - London School of Economics (LSE) - 2005
Support for many R&D and technology policies relies on empirical evidence that R&D ‘spills over’ between firms. But there are two countervailing R&D spillovers: positive effects from technology spillovers and negative effects from business stealing by product market rivals. We develop a...
Persistent link: https://www.econbiz.de/10011126438
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Knowledge flow and sequential innovation: implications for technology diffusion, r&d and market value
Belenzon, Sharon - London School of Economics (LSE) - 2006
identify unique patterns of knowledge flows (based on patent citations), which provide information about whether “spilled …
Persistent link: https://www.econbiz.de/10011071120
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Identifying technology spillovers and product market rivalry
Bloom, Nick; Schankerman, Mark; Van Reenen, John - London School of Economics (LSE) - 2005
Support for many R&D and technology policies relies on empirical evidence that R&D “spills over” between firms. But there are two countervailing R&D spillovers: positive effects from technology spillovers and negative effects from business stealing by product market rivals. We develop a...
Persistent link: https://www.econbiz.de/10011071197
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Firms and the Economics of Skilled Immigration
Kerr, Sari Pekkala; Kerr, William R.; Lincoln, William F. - National Bureau of Economic Research (NBER) - 2014
Firms play a central role in the selection, sponsorship, and employment of skilled immigrants entering the United States for work through programs like the H-1B visa. This role has not been widely recognized in the literature, and the data to better understand it have only recently become...
Persistent link: https://www.econbiz.de/10010969384
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Evaluating the Role of Science Philanthropy in American Research Universities
Murray, Fiona E. - National Bureau of Economic Research (NBER) - 2012
Philanthropy plays a major role in university-based scientific, engineering and medical research in the United States contributing over $4Billion annually to operations, endowment and buildings devoted to research. When combined with endowment income, university research funding from science...
Persistent link: https://www.econbiz.de/10010969430