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Competition and innovation: An inverted u relationship
Aghion, Philippe; Bloom, Nicholas; Blundell, Richard; … - 2002
This paper investigates the relationship between product market competition (PMC) and innovation. A Schumpeterian growth model is developed in which firms innovate ѳtep-by-stepҬ and where both technological leaders and their followers engage in R&D activities. In this model, competition...
Persistent link: https://www.econbiz.de/10010292944
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How special is the special relationship? Using the impact of US R&D spillovers on UK firms as a test of technology sourcing
Griffith, Rachel; Harrison, Rupert; Van Reenen, John - 2004
panels of UK and US firms matched to patent data we show that UK firms who had established a high proportion of US …
Persistent link: https://www.econbiz.de/10010293047
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Citation Frequency and the Value of Patented Innovation
Vopel, Katrin; Scherer, Frederic M.; Narin, Francis; … - 1997
which German patent renewal fees were paid to full-term expiration in 1995. A search of subsequent U.S. and German patents … allowed to expire before their full term. The higher an invention?s economic value estimate was, the more the relevant patent …
Persistent link: https://www.econbiz.de/10010297565
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Exploring the Tail of Patented Invention Value Distributions
Scherer, Frederic M.; Harhoff, Dietmar; Vopel, Katrin - 1997
We explore the tail of patented invention value distributions by using value estimates obtained directly from patent …
Persistent link: https://www.econbiz.de/10010297567
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Patente in Europa und den USA: Veränderungen ab 1991 aufgezeigt an Gesamtzahlen und dem Technologiefeld des Ubiquitous Computing
Neuhäusler, Peter - 2008
Persistent link: https://www.econbiz.de/10010299394
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Catching-up and falling behind: knowledge spillover from American to German machine tool makers
Richter, Ralf; Streb, Jochen - 2009
In our days, German machine tool makers accuse their Chinese competitors of violating patent rights and illegally … American technology. To understand the dynamics of this catching-up process we use patent statistics to analyze firms … this strategy by stipulating a patent law that discriminated against foreign patent holders and probably also by delaying …
Persistent link: https://www.econbiz.de/10010299540
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Creative destruction and asset prices
Grammig, Joachim G.; Jank, Stephan - 2010
these stocks. A two-factor model including market return and patent activity growth - the proxy for creative destruction …
Persistent link: https://www.econbiz.de/10010302531
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Defensive Disclosure under Antitrust Enforcement
Bhaskarabhatla, Ajay; Pennings, Enrico - 2012
We formulate a simple model of optimal defensive disclosure by a monopolist facinguncertain antitrust enforcement and test its implications using unique data on defensivedisclosures and patents by IBM during 1955-1989. Our results indicate that strongerantitrust enforcement leads to more...
Persistent link: https://www.econbiz.de/10010326178
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Europe lagging behind in ICT evolution: Patenting trends of leading ICT companies
Seppälä, Timo; Martikainen, Olli - 2011
In this paper, we examine new Internet ecosystem strategies through comprehensive OECD PATSTAT patent data analyses … focusing on mobile operating system software firms. We also describe current patent disputes between mobile hardware firms and …
Persistent link: https://www.econbiz.de/10010326884
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Intellectual property rights and market dynamics
Cesaroni, Fabrizio; Giuri, Paola - 2005
Persistent link: https://www.econbiz.de/10010328619