Patent holders may choose to protect innovations with single patents or to develop portfolios of multiple, related patents. We propose a decision-making model in which patent holders allocate resources to either expanding the number of related patents or investing in higher value of patents in...

By using the PatVal-EU dataset we find that the most important determinant of patent licensing is firm size. Patent breadth, value, protection, and other factors suggested by the literature also have an impact, but not as important. In addition, most of these factors affect the willingness to...

This paper investigates the relationships between firm organization attributes, namely a structure a la Chandler, and their inward looking or "exploitation" attitude in R&D and innovation. We argue that because of sunk costs and learning processes an inward looking behavior is a consequence of...