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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

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

Chat more and contribute better : an empirical study of a knowledge-sharing community

Chen, Xiaomeng; Forman, Christopher; Kummer, Michael E. - 2021

We analyze whether an informal second channel for communication can improve the efficiency of knowledge transfer in an electronic network of practice. We explore this question by analyzing the effect of chat rooms in the well-known Q&A forum Stack Overflow. We identify the causal effect using a...

Persistent link: https://www.econbiz.de/10012602739

Competition and privacy in online markets : evidence from the mobile app industry

Kesler, Reinhold; Kummer, Michael E.; Schulte, Patrick - 2019

Policy makers are increasingly concerned about the combination of market power and massive data collection in digital markets. This concern is fueled by the theoretical prediction that more market power causes firms to collect ever more data from their users. We investigate the relationship...

Persistent link: https://www.econbiz.de/10012161249

Externalities in knowledge production : evidence from a randomized field experiment

Hinnosaar, Marit; Hinnosaar, Toomas; Kummer, Michael E.; … - 2019

Do contributions to online content platforms induce a feedback loop of ever more user-generated content or will they discourage future contributions? To assess this, we use a randomized field experiment which added content to some pages in Wikipedia while leaving similar pages unchanged. We find...

Persistent link: https://www.econbiz.de/10011983935

Unemployment and Online Labor - Evidence from Microtasking

Laitenberger, Ulrich; Viete, Steffen; Slivko, Olga; … - 2022 - This version: April 2022

We analyze the relationship between unemployment and the supply of online labor for microtasking. Using detailed US data from a large microtasking platform between 2011 and2015, we study the participation and the number of hours supplied by workers in the US.We find that more individuals...

Persistent link: https://www.econbiz.de/10014113941

Das Mannheimer Innovationspanel

Harhoff, Dietmar; Licht, Georg - 1993

Persistent link: https://www.econbiz.de/10000148415

Motivation and sorting in open source software innovation

Belenzon, Sharon (contributor); … - 2008

Persistent link: https://www.econbiz.de/10003842193

Strategic patenting and software innovation

Noel, Michael (contributor); Schankerman, Mark (contributor) - 2006

Persistent link: https://www.econbiz.de/10003356625