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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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IT is never too late for changes? : analysing the relationship between process innovation, IT and older workers
Bertschek, Irene; Meyer, Jenny - 2010
harmful to the probability of process innovation based on IT. Leaving the negative relationship between older workers and the …. Thus, not older workers in general are harmful to firms' innovation capabilities, but older workers who lack the … appropriate IT skills. -- Process innovation ; information technology ; older workers …
Persistent link: https://www.econbiz.de/10008652558
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More bits - more bucks? : measuring the impact of broadband internet on firm performance
Bertschek, Irene; Cerquera, Daniel; Klein, Gordon J. - 2011
productivity whereas it exhibits a positive and significant impact on their innovation activity. -- Labour productivity … ; innovation ; broadband Internet …
Persistent link: https://www.econbiz.de/10009011250
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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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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/10011446955
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Let the user speak : is feedback on Facebook a source of firms' innovation?
Bertschek, Irene; Kesler, Reinhold - 2017
study the role that firms' and users' activities on Facebook play in the innovation process. We find that firms' adoption of … actively ask for feedback, while only negative user comments are positively and significantly related to innovation success …
Persistent link: https://www.econbiz.de/10011623206
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Let the user speak : is feedback on Facebook a source of firms' innovation?
Bertschek, Irene; Kesler, Reinhold - 2018 - This version: May 2018
study the role that firms' and users' activities on Facebook play in the innovation process. We find that firms' adoption of … actively ask for feedback, while only negative user comments are positively and significantly related to innovation success …
Persistent link: https://www.econbiz.de/10011876132