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Borders and distance in knowledge spillovers : dying over time or dying with age? ; evidence from patent citations
Li, Yao - 2009
This paper uses a gravity framework to investigate the effects of distance as well as subnational and national borders in knowledge spillovers. Drawing on the NBER Patent Citations Database, we examine patent citations data at metropolitan level within the U.S. and the 38 largest patent-cited...
Persistent link: https://www.econbiz.de/10003833339
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Measuring knowledge spillovers using Belgian EPO and USPTO patent data
Plasmans, Joseph E. J.; Lukatch, Ruslan - 2001
in this sector and the relative time lag between the citing and cited patents. …
Persistent link: https://www.econbiz.de/10011398036
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A model of patent trolls
Choi, Jay Pil; Gerlach, Heiko A. - 2015
This paper develops a model of patent trolls to understand various litigation strategies employed by nonpracticing entities (NPE). We show that when a NPE faces multiple potential infringers who use related technologies, it can gain a credible threat to litigate even when it has no such...
Persistent link: https://www.econbiz.de/10011344729
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Creative destruction and productive preemption
Norbäck, Pehr-Johan; Persson, Lars; Svensson, Roger - 2013
entrepreneurial effort allocated to high-quality invention projects. Using data on patents granted to small firms and individuals, we …
Persistent link: https://www.econbiz.de/10009691699
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Patent pools, litigation and innovation
Choi, Jay Pil; Gerlach, Heiko A. - 2013
-competitive effects of patent pools for complementary patents naturally extend for dynamic innovation incentives. However, this simple … conclusion may not hold if we entertain the possibility that patents are probabilistic and can be invalidated in court. In such a … case, the licensing fees reflect the strength of patents. Patent pools of complementary patents can be used to discourage …
Persistent link: https://www.econbiz.de/10010199442
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Corporate income tax, IP boxes and the location of R&D
Shehaj, Pranvera; Weichenrieder, Alfons J. - 2021
The paper discusses the effects of the corporate tax on local R&D expenditures by multinational enterprises (MNEs) when income from intellectual property (IP) may or may not benefit from a special IP regime. Our model shows that an increase of the standard corporate tax may have positive effects...
Persistent link: https://www.econbiz.de/10012668340
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Patent boxes and the success rate of applications
Davies, Ronald B.; Kogler, Dieter F.; Hynes, Ryan - 2020
reductions increase the number of patents. That said, not all patents are equally novel. In particular, the patent box encourages … the submission of patents of marginal novelty, a selection effect that would reduce the average success rates of patents …
Persistent link: https://www.econbiz.de/10012231571
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Engineering growth : innovative capacity and development in the Americas
Maloney, William F.; Caicedo, Felipe Valencia - 2017
This paper offers the first systematic historical evidence on the role of a central actor in modern growth theory - the engineer. It collects cross-country and state level data on the labor share of engineers for the Americas, and county level data on engineering and patenting for the US during...
Persistent link: https://www.econbiz.de/10011602763
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How antitrust enforcement can spur innovation : bell labs and the 1956 consent decree
Watzinger, Martin; Fackler, Thomas; Nagler, Markus; … - 2017
We study the 1956 consent decree against the Bell System to investigate whether patents held by a dominant firm are … to license all its existing patents royalty-free. The compulsory licensing increased follow-on innovation building on … Bell patents by 17%. This effect is driven mainly by young and small companies. Yet, innovation increased only outside the …
Persistent link: https://www.econbiz.de/10011610914
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Synergizing ventures
Akcigit, Ufuk; Dinlersoz, Emin Murat; Greenwood, Jeremy; … - 2019
Venture capital (VC) and growth are examined both empirically and theoretically. Empirically, VC-backed startups have higher early growth rates and initial patent quality than non-VC-backed ones. VC-backing increases a startup's likelihood of reaching the right tails of the firm size and...
Persistent link: https://www.econbiz.de/10012104061