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Invalid but infringed? : an analysis of Germany’s bifurcated patent litigation system
Cremers, Katrin; Gaessler, Fabian; Harhoff, Dietmar; … - 2014
We analyze the impact of the probabilistic nature of patents on the functioning of Germany’s bifurcated patent litigation system where infringement and validity of a patent are decided independently by different courts. We show that bifurcation creates situations in which a patent is held...
Persistent link: https://www.econbiz.de/10010416329
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The impacts of feed-in tariffs on innovation : empirical evidence from Germany
Böhringer, Christoph; Cuntz, Alexander; Harhoff, Dietmar; … - 2014
promotion. In this paper, we assess one popular justification for feed-in tariffs, i.e., induced innovation as a positive … spillover externality. Based on regressions with a time-technology fixed effect negative binomial model, we find that innovation …
Persistent link: https://www.econbiz.de/10010252146
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The impacts of feed-in tariffs on innovation : empirical evidence from Germany
Böhringer, Christoph; Cuntz, Alexander; Harhoff, Dietmar; … - 2014
promotion. In this paper, we assess one popular justification for feed-in tariffs, i.e., induced innovation as a positive … spillover externality. Based on regressions with a time-technology fixed effect negative binomial model, we find that innovation …
Persistent link: https://www.econbiz.de/10010252657
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Filling the gap : the consequences of collaborator loss in corporate R&D
Poege, Felix; Gäßler, Fabian; Hoisl, Karin; Harhoff, … - 2022
We examine how collaborator loss affects knowledge workers in corporate R&D. We argue that such a loss affects the remaining collaborators not only by reducing their team-specific capital (as argued in the prior literature) but also by increasing their bargaining power over the employer, who is...
Persistent link: https://www.econbiz.de/10014458846
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Filling the gap : the consequences of collaborator loss in corporate R&D
Poege, Felix; Gäßler, Fabian; Hoisl, Karin; Harhoff, … - 2022
We examine how collaborator loss affects knowledge workers in corporate R&D. We argue that such a loss affects the remaining collaborators not only by reducing their team-specific capital (as argued in the prior literature) but also by increasing their bargaining power over the employer, who is...
Persistent link: https://www.econbiz.de/10013414730
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Innovationsanreize in einem strukturellen Oligopolmodell
Harhoff, Dietmar - 1997 - Revidiert: Februar 1997
The paper develops an oligopoly model of innovation and applies it to data from the Mannheim Innovation Panel. The … complexity, etc. are important determinants of overall innovation expenditures, but not for R&D specifically. If legal protection … affect the innovation activity of the firm. Specification tests derived from the theoretical model do not lead to a rejection …
Persistent link: https://www.econbiz.de/10011440888
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Citation frequency and the value of patented innovation
Harhoff, Dietmar; Narin, Francis; Scherer, Frederic M.; … - 1997
Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on which German patent renewal fees were paid to full-term expiration in 1995. A search of subsequent U.S. and German patents yielded a count of citations to those patents....
Persistent link: https://www.econbiz.de/10011440946
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Citation frequency and the value of patented innovation
Harhoff, Dietmar; Narin, Francis; Scherer, Frederic M.; … - 1997
Through a survey, economic value estimates were obtained on 962 inventions made in the United States and Germany and on which German patent renewal fees were paid to full-term expiration in 1995. A search of subsequent U.S. and German patents yielded a count of citations to those patents....
Persistent link: https://www.econbiz.de/10011417779
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Bargaining failure and freedom to operate : re-evaluating the effect of patents on cumulative innovation
Gaessler, Fabian; Harhoff, Dietmar; Sorg, Stefan - 2019
We investigate the causal effect of patent rights on cumulative innovation, using large-scale data that approximate the …
Persistent link: https://www.econbiz.de/10012139072
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Heterogeneous regional innovation spillovers of universities of applied sciences
Schlegel, Tobias; Pfister, Curdin; Harhoff, Dietmar; … - 2019 - First draft. Preliminary results
Persistent link: https://www.econbiz.de/10012022589