This paper investigates the impact of new firms' quality on the magnitude of their employment effects. Our results clearly show that the quality of start-ups, measured by their affiliation to sectors and innovative industries, strongly influences the direct and the overall employment...

We analyze the spatial diffusion of laser-technology in Germany during the early phase of development, between 1960 and 2005. Research in this new technological field began in a few larger centers and then spread to other regions. In the early years, a large firm of the electronics industry...