Where product innovation requires several complementary patents, fragmented property
rights can limit firms' willingness to invest in R&D. We consider the research intensity in …

The highly praised Western, The Good, the Bad, and the Ugly, has been used in many game-
theory courses over the years and has also found its way into leading journals of this field …

This study investigates the relationship between technologies that firms expect to achieve
after cross‐licensing (CL) and their incentives for signing CL agreements in a multiproduct …

R&D spillovers can be viewed to arise as a result of a voluntary information exchange
between firms. In this paper we extend this theory of R&D spillovers to a context where the …

The thesis dissertation intends to investigate the decisions of firms to accumulate related
patents in portfolios. I thereby want to advance not only the knowledge on the importance of …

This dissertation is a collection of three empirical essays in the fields of industrial
organization and economics of innovation. The first two essays build on the literature of …

The study aims at providing a framework conceptualizing patenting activities under the
condition of intellectual property rights fragmentation. Such a framework has to deal with the …