Showing 1 - 10 of 1,287
This paper studies a simple model of experimentation and innovation. Our analysis suggests that patents may improve the … project to implement. A successful innovation can be copied by other firms. Symmetric equilibria (where actions do not depend … equilibria). In contrast to patents, subsidies to experimentation, research, or innovation cannot typically achieve this …
Persistent link: https://www.econbiz.de/10012464239
This paper surveys the major changes in patent policy and practice that have occurred in the last two decades in the U … effects of changes in patent policy. Despite the significance of the policy changes and the wide availability of detailed data … relating to patenting, robust conclusions regarding the empirical consequences for technological innovation of changes in …
Persistent link: https://www.econbiz.de/10012471503
This paper proposes a new measure of technological obsolescence using detailed patent data. Using this measure, we …, and reallocation of capital. This finding applies mainly for obsolescence of core innovation and embodied innovation, and … profits of obsolescent firms. The measure contains incremental information about firm innovation relative to measures focusing …
Persistent link: https://www.econbiz.de/10012696413
innovation. We identify significant patents based on textual similarity of a given patent to previous and subsequent work: these …We use textual analysis of high-dimensional data from patent documents to create new indicators of technological … patents are distinct from previous work but are related to subsequent innovations. Our measure of patent significance is …
Persistent link: https://www.econbiz.de/10012480917
development of new energy technologies (Popp, 2017). Energy innovation tends to consist of a series of partially overlapping … technologies. Here we combine information from patent applications with bibliographic data to shine light on the second process …
Persistent link: https://www.econbiz.de/10012481080
I survey some recent research on the role of patents in encouraging innovation and growth in developing economies …, beginning with a brief history of international patent systems and facts about the current use of patents around the world. I … discuss research on the implications of patents for international technology transfer and domestic innovation. This is …
Persistent link: https://www.econbiz.de/10012481786
effect on innovation. We develop a simple "trapped factor" model of innovation that is consistent with these empirical …
Persistent link: https://www.econbiz.de/10012461940
This paper examines the effect of environmental policies on technological innovation in the specific case of renewable … energy. The analysis is conducted using patent data on a panel of 25 countries over the period 1978-2003. It is found that … public policy plays a significant role in determining patent applications. Different types of policy instruments are …
Persistent link: https://www.econbiz.de/10012464887
While many studies have looked at innovation and adoption of technologies separately, the two processes are linked … combines plant-level data on U.S. coal-fired electric power plants with patent data pertaining to NOx pollution control …
Persistent link: https://www.econbiz.de/10012466550
received over their careers, we highlight the impact of early U.S. patent institutions in providing broad access to economic … procedures for application, the United States deliberately created a patent system that allowed a much wider range, in … patent institutions. Moreover, by requiring that applications be examined for novelty by technical experts, and by enforcing …
Persistent link: https://www.econbiz.de/10012467721