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...

Markets for knowledge are increasingly important to innovation, competitive advantage, and economic growth. This paper examines five distinct markets through which knowledge can be exchanged: the market for codified knowledge (licensing), the market for tacit knowledge (alliances), the market...

In the past several decades, the U.S. economy has witnessed a number of striking trends that indicate a rising market concentration and a slowdown in business dynamism. In this paper, we make an attempt to understand potential common forces behind these empirical regularities through the lens of...

Inventors generally know more about their inventions than what is written down in patent applications. Because they possess this tacit knowledge, inventors may need to play an active role when patents are commercialized. We build on Arora (1995) and model firm-inventor cooperation in the...

This paper presents preliminary evidence on the patenting activities of 21 200 research institutions - 20 091 higher education institutions (HEIs) and 1 109 public research institutes (PRIs) - for 36 OECD countries and China from 1992 to 2014. Our evidence, which builds on a database that...

This paper examines the effect of foreign direct investment (FDI) on domestic innovation based on a data set covering the pharmaceutical industries across 29 provinces in the People's Republic of China (PRC) over the period 1998-2007. We show that there is a negative horizontal spillover effect...

This volume was prepared by Sebastian Benz while he was working at the Ifo Institute. It was completed in December 2013 and accepted as a doctoral thesis by the Department of Economics at the University of Munich. It includes five self-contained chapters. All chapters discuss different...

Why do some innovators freely reveal their intellectual property? This empirical puzzle has been a focal point of debate in the R&D literature. We show that innovators may share proprietary technology with rivals for free - even if it does not directly benefit them - to slow down competition. By...

This paper analyses the nature of knowledge spillovers from research and development (R&D) in the field of liquid crystal display technology by estimating the impact of inventors' changing organizational and collaborative affiliations on the probability of citations in US patents filed between...