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.

18 Studies, die sich auf Daten aus 20 hochentwickelten, sich entwickelnden und weniger entwickelten Ländern stützen, zeigen, dass die Durchschnittslöhne in exportierenden Firmen höher liegen als in nichtexportierenden Firmen aus gleichen Branche und Region. Die Existenz dieser Lohnzuschläge...

Empirical investigations with enterprise level data from official statistics often use the average wage as a proxy variable for the qualification of the workforce, mostly due to the lack of detailed information on the qualification of the employees. This paper uses unique newly available data...

Empirical investigations with enterprise level data from official statistics often use the average wage as a proxy variable for the qualification of the workforce, mostly due to the lack of detailed information on the qualification of the employees. This paper uses unique newly available data...