Interest in the theoretical and empirical analysis of multi-product enterprises is growing. This paper uses newly available representative longitudinal data covering the years 1995 to 2004 to document for the first time the extent of product diversification in German manufacturing enterprises...

The degree of employment protection affects employment flows as well as work effort of employees. Whereas the former aspect has been analysed in many studies, the impact of employment protection on work effort has been analysed in few recent studies. Theory predicts that employment protection...