Showing 1 - 10 of 10
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
Although labor mobility has been recognized as a key mechanism for transferring tacit knowledge, prior research on inventors has so far hardly discussed the impact of a move on inventive performance. Additionally, existing research has neglected the differences in gains from a move between high...
Persistent link: https://www.econbiz.de/10005157502
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
This article assesses the rate of obsolescence of patents with measurements of the rate in Japan. Our study departs from Parkes and Schankerman (1989) and Schankerman (1998) because of its application of the ordered probit model. The application of this model enables us to consider the case of...
Persistent link: https://www.econbiz.de/10005836191
The prize system for innovation has been criticized as impractical due to the lack of a workable formula or algorithm … can function to duplicate Pareto optimality. Under this system, any bountiable innovation is placed in the public domain …, and the prize of innovation is dynamically amortized in an infinitely time domain as periodic bounties paid to holders of …
Persistent link: https://www.econbiz.de/10011259176
The prize system for innovation has been criticized as impractical due to the lack of any workable formula or algorithm … can function to duplicate Pareto optimality. Under this system, any bountiable innovation is placed in the public domain …, and the prize of innovation is dynamically amortized in an infinite time domain as periodic bounties paid to holders of …
Persistent link: https://www.econbiz.de/10010729014
over the 1993-2003 period, firms with overconfident CEOs have greater return volatility, invest more in innovation, obtain …&D) expenditure. Overconfident managers only achieve greater innovation than non-overconfident managers in innovative industries …
Persistent link: https://www.econbiz.de/10008560965
innovation for less than the full length of the patent and that royalty contracts can be used to overcome a time …
Persistent link: https://www.econbiz.de/10005019435
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
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