We examine the relationship between the coherence of the knowledge base and the innovative performance of U.S. pharmaceutical firms during the 1990's. We develop measures of the coherence and scope of the firms' knowledge base. Count data regression models show a strong link between these two...

In this paper we intend to discuss the relationship between long term development trajectories, which in principle can be expected to affect the functioning of all economic systems, and the deviations which can be expected to occur at a local level in particular countries or regions. We will...

We examine the relationship between the coherence of the knowledge base and the innovative performance of U.S. pharmaceutical firms during the 1990's. We develop measures of the coherence and scope of the firms' knowledge base. Count data regression models show a strong link between these two...