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Does Mobility Increase the Productivity of Inventors?

Hoisl, Karin - Volkswirtschaftliche Fakultät, … - 2006

inventors has so far hardly discussed the impact of a move on inventive performance. Additionally, existing research has … different points of the performance distribution. Additionally, dummy variables are used to compare inventive performance prior … and in the aftermath of a move. Results reveal that inventors at the upper end of the performance distribution are better …

Persistent link: https://www.econbiz.de/10005157502

Tracing Mobile Inventors – The Causality between Inventor Mobility and Inventor Productivity

Hoisl, Karin - Volkswirtschaftliche Fakultät, … - 2006

This paper analyzes the causality between inventor productivity and inventor mobility. The results show that the level of education has no influence on inventor productivity. Making use of external sources of knowledge, on the contrary, has a significant effect on productivity. Finally, firm...

Persistent link: https://www.econbiz.de/10005187263

Optimal Environmental Policy under Monopolistic Provision of Clean Technologies

Hattori, Keisuke - Volkswirtschaftliche Fakultät, … - 2011

In this paper, we characterize optimal environmental policy in a case where innovation in clean production technologies is developed and provided by a monopoly. Two policy instruments are considered: an emission tax on downstream polluting firms and an R& D subsidy for an upstream innovator in...

Persistent link: https://www.econbiz.de/10008839194

Nakanishi, Yasuo - Volkswirtschaftliche Fakultät, … - 2011

The purpose of this study is to investigate the copyright protection of intellectual property under vertical relations. Vertical relations among author, manufacturer and retailer are considered. We develop several models, each with a different structure of vertical integration. R&D levels, total...

Persistent link: https://www.econbiz.de/10009325631

Patent Applications and the Grant Lag under Early Disclosure System: Empirical Estimates for Japanese Firms

Nakanishi, Yasuo; Yamada, Setsuo - Volkswirtschaftliche Fakultät, … - 2008

The purpose of this paper is to investigate the impact of the length of the grant lag under the early disclosure system in Japan. First, we measure the length of the grant lag. Second, we investigate whether reducing the grant lag significantly increases patent applications. We use data from...

Persistent link: https://www.econbiz.de/10005790272

Market Value and Patent Quality in Japanese Manufacturing Firms

Yasuo, Nakanishi; Setsuo, Yamada - Volkswirtschaftliche Fakultät, … - 2007

We investigate the effect of quality of patents on the market value of firms represented by the Tobin's q. We consider the number of objections as well as the number of citations. We construct the database of patent stock, citation-weighted patent stock and objection-weighted patent stock. Our...

Persistent link: https://www.econbiz.de/10005623395