This paper examines the links between internationalisation, innovation and productivity in service enterprises. For … this purpose, we use micro data from the Community Innovation Survey 2008 in Germany, Ireland and the United Kingdom, and … of innovation outputs in all three countries. Our results indicate that innovation in service enterprises is linked to …

Innovation activities in the German enterprise sector showed two opposing trends over the past two decades: While total … innovation expenditures grew substantially, the number of firms conducting innovation activities fell sharply. Innovation … expenditures hence concentrate on fewer firms. In this paper we analyse the evolution of firms' innovation and R&D activities …

Thickets of partially overlapping patent rights raise costs to secure IPR for innovation. Fragmented IP ownership … capital-intensities among owners of overlapping patents affect propensities to invest in innovation. I find that firms with … small patent portfolios are less likely to invest in innovation if IPR is fragmented. Firms with large patent portfolios are …