In the past, many countries have witnessed de-diversification waves. In this paper we illustrate that the same phenomenon can be observed in Germany. Different theoretical explanations for the occurrence of de-diversifications are discussed: the predominant agency theory approach and the less...

This article concerns those publications which have received considerable attention in an academic as well as in a practical context. In these rare cases, it seems that it was possible to transfer scientific findings more or less directly into managerial implications. This widely shared view is...