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...

We investigate the effect of broad personality traits - the Big Five - on an individual's decision to become self-employed. In particular, we test an overall indicator of the entrepreneurial personality. Since we find that the level of selfemployment varies considerably across professions, we...

Die Studie basiert auf einer empirischen Analyse des Innovationsgeschehens in vier ostdeutschen Fallstudienregionen- Dresden, Halle, Jena und Rostock. Alle vier Regionen besitzen sowohl eine universitäre als auch eine industrielle Tradition. Die Entwicklungsverläufe seit dem Systembruch im...

We apply a multi-level approach to analyze simultaneously the effects of three groups of determinants on new firm formation: industry, location and change over time. The data is for West Germany and covers the 1983-97 period. Our analysis indicates that innovation activities and the...