This paper summarizes the role of entrepreneurship in the East German transformation process that followed the breakdown of the socialist regime and subsequent unification with West Germany. The main aim of this exercise is to derive conclusions and recommendations for a potential unification of...

We investigate the geographic concentration of patenting in large cities using a sample of 14 developed countries. There is wide dispersion of the share of patented inventions in large metropolitan areas. South Korea and the US are two extreme outliers where patenting is highly concentrated in...

This paper summarizes the role of entrepreneurship in the East German transformation process that followed the breakdown of the socialist regime and subsequent unification with West Germany. The main aim of this exercise is to derive conclusions and recommendations for a potential unification of...

We investigate the geographic concentration of patenting in large cities using a sample of 14 developed countries. There is wide dispersion of the share of patented inventions in large metropolitan areas. South Korea and the US are two extreme outliers where patenting is highly concentrated in...

This paper reviews the current state of knowledge about the effect of new business formation on regional development. After a brief sketch of the origins of research on this issue, the main results of different lines of inquiry are discussed. Main issues are the development of start-up cohorts,...

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 with sectors and innovative industries, strongly influences the direct and the overall employment...

We examine the role of spatial proximity for Venture Capital (VC) investments in Germany. The main database is a survey of 85 personal interviews with representatives of different types of financial institutions. The analysis shows that spatial proximity is far less important for VC investments...

We analyze the development of employment in start-up cohorts, which is the direct gross employment effect of the new businesses. The data is for West Germany and covers the 1984- 2002 period. While total employment in the cohorts remains above the initial level in manufacturing, we find a...

Audretsch and Fritsch (2002) proposed two explanations for the mixed evidence regarding the relationship between new firm formation and regional development. Firstly, they found evidence for the existence of long time lags needed before the main effects of new firm formation on employment change...

We investigate the effects of new business formation on employment change in German regions. A special focus is on the lag-structure of this effect and on differences between regions. The different phases of the effects of new business formation on regional development are relatively pronounced...