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Citation Frequency and the Value of Patented Innovation
Vopel, Katrin; Scherer, Frederic M.; Narin, Francis; … - 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/10010297565
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Die Evolution der bundesdeutschen Forschungs- und Technologiepolitik: Rückblick und Bestandsaufnahme
Fier, Andreas; Harhoff, Dietmar - 2001
In Deutschland beanspruchen gleich zwei Ressorts, das Bundesministerium für Bildung und Forschung (BMBF) sowie das Bundesministerium für Wirtschaft und Technologie (BMWi) die Zuständigkeit für die deutsche Innovationspolitik. Dieses für den Bund offensichtlich bedeutsame Politikfeld...
Persistent link: https://www.econbiz.de/10010297798
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Firm formation and regional spillovers: evidence from Germany
Harhoff, Dietmar - 1995
This paper studies the effect of regional spillovers on the rate of firm formation in two major West German industries for the time period from 1989 to 1993. I exploit regional variations in firm formation at the county level to identify the effects of historically given industry structure and...
Persistent link: https://www.econbiz.de/10010299624
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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/10010420402
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Innovation Network
Acemoglu, Daron - 2016
linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 … predictive power on future innovation after 1995. This pattern is consistent with the idea that when there is more past upstream …
Persistent link: https://www.econbiz.de/10012977470
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The Impacts of Feed-In Tariffs on Innovation : Empirical Evidence from Germany
Boehringer, Christoph; Cuntz, Alexander N.; Harhoff, Dietmar - 2021
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/10013315626
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Invalid but infringed? An analysis of Germany's bifurcated patent litigation system
Cremers, Katrin; Gaessler, Fabian; Harhoff, Dietmar; … - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 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/10010957677
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Citation Frequency and the Value of Patented Innovation
Vopel, Katrin; Scherer, Frederic M.; Narin, Francis; … - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 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/10005098149
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Die Evolution der bundesdeutschen Forschungs- und Technologiepolitik: Rückblick und Bestandsaufnahme
Fier, Andreas; Harhoff, Dietmar - Zentrum für Europäische Wirtschaftsforschung (ZEW) - 2001
In Deutschland beanspruchen gleich zwei Ressorts, das Bundesministerium für Bildung und Forschung (BMBF) sowie das Bundesministerium für Wirtschaft und Technologie (BMWi) die Zuständigkeit für die deutsche Innovationspolitik. Dieses für den Bund offensichtlich bedeutsame Politikfeld...
Persistent link: https://www.econbiz.de/10005098311
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The Impacts of Feed-in Tariffs on Innovation: Empirical Evidence from Germany
Böhringer, Christoph; Cuntz, Alexander; Harhoff, Dietmar; … - CESifo - 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/10010748307