Collaboration is an important factor for regional economic growth. Still, the literature lacks explanations why some regions collaborate more or less than expected. The present paper proposes regional culture as influencing factor, being region-specific and connected to interactive activities....

This paper proposes a search strategy for photovoltaic patents which allows to distinguish the photovoltaic system into sub-trajectories. Identifying and analyzing sub-trajectories is of particular importance for understanding micro patterns of technological change. The proposed search strategy...

Empirical analyses show that the employment effects of start-ups are highest in agglomerations, whereas moderately congested areas exhibit only modest effects, and weak or even no significant effects could be found in rural regions. This paper will set out to show that these discrepancies arise...