The focus of this paper is on the choice of the unemployed between becoming an entrepreneur or not. It contributes to the literature by empirically investigating two hitherto neglected issues: What is the impact of risk aversion and personal contact with a role model in shaping the decision to...

This paper tests the theory recently put forward by Edward Lazear that individuals with competence in many skills should have a higher probability of being self-employed than others. The empirical results for Germany support this jack-of-all-trades view.

This paper uses a unique newly constructed data set to investigate for the first time the link between credit constraints and the extensive margins of exports in Germany, one of the leading actors on the international market for goods. In line with theoretical considerations and comparable...

This paper looks at a hitherto neglected extensive margin of international trade by investigating for the first time the frequency at which German exporters and importers trade a given good with a given country. Imports and exports show a high degree of lumpiness. In a given year about half of...

Der Beitrag gibt einen Überblick über die Nutzung von Längsschnittdaten für Betriebe und Unternehmen aus Erhebungen der amtlichen Statistik durch empirische Wirtschaftsforscher. Nach einem Rückblick auf die Entwicklung seit 1990 werden die unterschiedlichen Typen von Firmendaten vorgestellt...

This paper uses a new tailor-made data set to investigate the differences in extensive and intensive margins of exports in manufacturing firms from East Germany and West Germany. It documents that these margins do still differ in 2010, 20 years after the re-unification of Germany. West German...

Folklore has it that the comparatively low proportion of self-employed in Germany is in part due to a habit that might be termed "stigmatisation of failure": taking a second chance to build one's own firm after failing as a self-employed is said to be much more difficult here than in other...