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Industrial research versus development investment : the implications of financial constraints

Czarnitzki, Dirk; Hottenrott, Hanna; Thorwarth, Susanne - 2009

recipients' investment is less sensitive to internal liquidity. -- Research and development ; liquidity constraints ; innovation …

Persistent link: https://www.econbiz.de/10003881344

The design paradox : the contribution of in-house and external design activities on product market performance

Czarnitzki, Dirk; Thorwarth, Susanne - 2009

developments at the firm level, the topic of design innovation has not been linked to the open innovation concept yet. In this … Innovation ; Product Market Performance …

Persistent link: https://www.econbiz.de/10003893121

The power of individual-level drivers of inventive performance

Zwick, Thomas; Frosch, Katharina; Hoisl, Karin; … - 2015

Based on an established theoretical framework of the drivers of inventive performance, the so-called KSAO (Knowledge, Skills, Abilities, and Other) factors, this paper seeks to explain empirically the performance of inventors throughout their careers. We combine survey information spanning the...

Persistent link: https://www.econbiz.de/10011381965

The knowledge production of 'R' and 'D'

Czarnitzki, Dirk (contributor); Kraft, Kornelius (contributor) - 2008

Many studies investigate the relationship between R&D expenditures as an input and patents as an intermediate product or output of a knowledge production function. We suggest that the productivity of research in patent production functions has been underestimated in the literature, as scholars...

Persistent link: https://www.econbiz.de/10003728577

Institutionalized Incentives for Ingenuity – Patent Value and the German Employees’ Inventions Act

Harhoff, Dietmar; Hoisl, Karin - Volkswirtschaftliche Fakultät, … - 2006

Germany is one of few countries in which the monetary compensation for inventors is not only determined by negotiations between employer and employee-inventor, but also by relatively precise legal provisions. In this paper, we describe the characteristics of the German Employees’ Inventions...

Persistent link: https://www.econbiz.de/10005121186

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

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

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

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

Everything you Always Wanted to Know About Inventors (But Never Asked): Evidence from the PatVal-EU Survey

Harhoff, Dietmar; Hoisl, Karin - Volkswirtschaftliche Fakultät, … - 2006

Based on a survey of the inventors of 9,017 European patented inventions, this paper provides new information about the characteristics of European inventors, the sources of their knowledge, the importance of formal and informal collaborations, the motivations to invent, and the actual use and...

Persistent link: https://www.econbiz.de/10005187255