We investigate the effects that regional start-up activity has on employment in new and in incumbent businesses. The analysis is performed for West German regions over the 1987-2002 period. It shows that the effects of new businesses on employment in the incumbents are significantly positive and...

We analyze different types of effects that new businesses may have on regional employment. We introduce different measures for employment change by separating employment change in incumbent businesses and employment change in new businesses. There are pronounced differences between regions with...