Of the diverse factors motivating technological change, one factor that has received increasing attention in the recent past has been the protection of intellectual property rights. Given fairly recent changes in the international policy ethos where a regime of stronger intellectual property...

In diesem Beitrag wird ein Oligopolmodell der Innovationsaktivität entwickelt und mit Daten aus dem Mannheimer Innovationspanel geschätzt. Das Modell erlaubt es, bei der empirischen Umsetzung auf die Verwendung von Marktanteilsdaten und Nachfrageelastizitäten zu verzichten, die typischerweise...

This paper conducts a comprehensive study of patent citations in patents granted to Belgian corporate applicants by the United States and the European Patent Offices using qualitative response variable analysis. The analysis uncovered different patterns of citations in patents, which belong to...

China recently surpassed the USA as the greatest global source of patent applications. However, without internationally comparable measures of patent quality it remains questionable whether China's patent expansion constitutes the rise of a new technological superpower. Our novel quality index...

This paper investigates the role of patent protection in the global investment decisions of multinational firms. Using comprehensive firm-level panel data of German multinationals, we investigate how changes in a host country’s patent protection influence the extensive and intensive margin of...

This paper utilizes a data set of over 208,000 U.S. patents applied for between 1975 and 2010 to study development of strategic patenting over time and across industries. With received citations as a measure of patent social value, we use data envelopment analysis to estimate firm-level relative...

This work investigates the relationship between proxies of innovation activities, such as patents and trademarks, and firm performance in terms of revenues, growth and profitability. By resorting to the virtual universe of Italian manufacturing firms this work provides a rather complete picture...

Because China has become one of the largest applicants of PCT patents, it is of interest to compare the quality of Chinese and non-Chinese applications. We extend a quality index based on internationally comparable citation data from international search reports (ISR) to consider foreign,...

The objective of this paper is to compare the impact of R&D competition (i) under patent protection and (ii) under no patent protection on enterprise innovation and performance with the impact of R&D cooperation in the form of R&D cartel on enterprise innovation and performance. For simplicity...

This paper tries to find how firms use IPRs in the form of patents to protect innovation capital and find determinants of their effectiveness. The research is based on a large sample of 2960 Polish manufacturing firms that were engaged in developing and/or implementing a product or process...