This paper studies the frequency of observing a certain number of firms or employees in a region for a given industry. Various predictions for these frequencies are deduced from theoretical considerations. Then, the empirical distributions of 198 industries in Germany are analysed. It is found...

The dynamics of drug launch has been an under-researched area. Most of the studies in this field focus on developed countries, quite uniform in terms of disease profile and regulatory framework, and analyse whether stringency in regulation influences launch delay. Developing countries, in...

The paper at hand investigates how co-patenting over distance develops when aggregating inventive activities on a regional level. That means, the object of analysis is a link between two regions in contrast to other studies, where links between two individuals or firms are investigated. We...

In the literature there is a controversy about the relevance of the spatial dimension in innovation collaboration. We examine the link between the spatial composition of group members and group characteristics which are important for performing innovation projects. To this end, we introduce a...

The dynamics of drug launch has been an under-researched area, especially in the context of developing countries, which have diverse disease profiles and weaker forms of regulation compared to developed countries. A limited set of studies, undertaken in recent years, on the diffusion of new...