We document the generation and the content of the Comprehensive Patent Database (CPDB) of the German Democratic Republic (GDR) (1949-1990), which is freely available at GESIS https://doi.org/10.7802/2448. The database contains all patents granted in the GDR and published by the Office of...

This paper documents the generation and the content of the Comprehensive Patent Database (CPDB) of the German Democratic Republic (GDR) (1949-1990), Version 1.1, which is freely available at GESIS https://doi.org/10.7802/2423. The database contains all patents granted in the GDR and published by...

The 40 years of socialist regime in East Germany were characterized by a massive anti-entrepreneurship policy. We investigate the reemergence of entrepreneurship in East Germany during its transformation to a market economy following the collapse of the East German state in 1989. It took about...

The 40 years of socialist regime in East Germany were characterized by a massive anti-entrepreneurship policy. We investigate the reemergence of entrepreneurship in East Germany during its transformation to a market economy following the collapse of the East German state in 1989. It took about...

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...

This paper analyzes the distribution of technical efficiency within manufacturing industries. Using a representative sample of 35,000 firms in 255 industries of the German cost structure census, technical efficiencies are estimated by applying a deterministic frontier production function with...