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Measuring the spillovers of venture capital

Schnitzer, Monika; Watzinger, Martin - 2017

We provide the first measurement of knowledge spillovers from venture capital-financed companies onto the patenting activities of other companies. On average, these spillovers are nine times larger than those generated by the R&D investment of established companies. Spillover effects are larger...

Persistent link: https://www.econbiz.de/10011762520

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

Patents, freedom to operate, and follow-on innovation : evidence from post-grant opposition

Gäßler, Fabian; Harhoff, Dietmar; Sorg, Stefan; … - 2024

We study the blocking effect of patents on follow-on innovation by others. We posit that follow-on innovation requires … freedom to operate (FTO), which firms typically obtain through a license from the patentee holding the original innovation …. Where licensing fails, follow-on innovation is blocked unless firms gain FTO through patent invalidation. Using large …

Persistent link: https://www.econbiz.de/10014503038

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

The battle for patent rights

Harhoff, Dietmar - In: Economic and management perspectives on intellectual …, (pp. 21-39). 2006

Persistent link: https://www.econbiz.de/10003377548

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

The capital gains tax : a curse but also a blessing for venture capital investment

Bock, Carolin; Watzinger, Martin - 2017

Our study analyzes the effect of the capital gains tax on the individual investment decisions of venture capitalists. By doing so, we are able to study the decisions for a sample of 76,852 funding rounds in 32 countries from 2000 to 2012. Our results support the predictions of the theoretical...

Persistent link: https://www.econbiz.de/10011697451

How antitrust enforcement can spur innovation : Bell Labs and the 1956 consent

Watzinger, Martin; Fackler, Thomas; Nagler, Markus; … - 2017

harmful for innovation and if so, whether compulsory licensing can provide an effective remedy. The consent decree settled an …-on innovation building on Bell patents by 17%. This effect is driven mainly by young and small companies. Yet, innovation increased … only outside the telecommunications equipment industry. The lack of a positive innovation effect in the telecommunications …

Persistent link: https://www.econbiz.de/10011591035

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/10011621492

Das Mannheimer Innovationspanel

Harhoff, Dietmar; Licht, Georg - 1993

gleichzeitig die deutsche Teilerhebung der in allen EG-Ländern durchgeführten 'Community Innovation Survey' dar. Der Fragebogen …

Persistent link: https://www.econbiz.de/10011622173