This paper discusses the impact of a firm's technology portfolio on its market value. Two concepts are used to characterize a firm's portfolio: the number of technological fields and the degree of relatedness within the portfolio characterized by the amount of joint occurrences of patents in...

This book investigates the relationship between corporate governance, market structure and innovation. The editors observe that a number of radical mutations are occurring in industries that have played a crucial role in sustaining and fostering the pace of technological progress