Leppälä, Samuli Mikael - Economics Section, Cardiff Business School - 2015
to the concentration, the outcome is more ambiguous, where it depends on the variety, both spillover rates, and the R … structure on innovation and output, as well as addressing mixed empirical results in this area. Both the effective R&D and total … industry output are shown to increase with the variety of industries, which is aligned with Jacobs externalities. With respect …