We investigate the effects that new business formation has on employment in incumbent firms and compare it to the development in the start-ups. The analysis is performed for West German regions over the 1984-2002 period. It shows that the employment effects of new businesses on the incumbents...

Empirical analyses suggest that the employment creating effect of start-ups is highest in regions with a low level of new business formation and that an increase in the regional start-up rate beyond a certain level may lead to negative employment effect. In explaining these results, we assume...

We analyze the development of the German knowledge base measured by co-classifications of patents by German inventors and relate this technological development to changes in the structure of the underlying inventor networks. Our central hypothesis states that technologies which become more...