This paper investigates politically connected German firms. With the introduction of a new transparency law, information on additional income sources of all members of the German parliament is now publicly available. We find that members of the conservative party (CDU/CSU) and the liberal party...

Fund companies regularly send shareholder letters to their investors. We use textual analysis to investigate whether these letters' writing style influences fund flows and whether it predicts performance and investment styles. Fund investors react to the tone and content of shareholder letters:...

This paper investigates the impact of work group diversity on performance. Analyzing a uniquely large sample of management teams from the U.S. mutual fund industry we find that the influence of diversity on performance depends on the dimension of diversity that is analyzed. Informational...

Rapid Trading, d.h. der kurzfristige Kauf und Verkauf von Fondsanteilen durch Fondsinvestoren, steht im Widerspruch zur Fondskonzeption, wonach Fonds Instrumente zum langfristigen Vermögensaufbau darstellen, und kann zu negativen Auswirkungen auf die Performance führen. Wir verwenden Daten...

This paper provides the first empirical test of the diversification of opinions theory and the groupshift theory using real business data. Our data set covers management teams and single managersof US equity mutual funds. Our results reject the group shift theory and support thediversification...

We examine overconfidence among equity mutual fund managers. While overconfidencehas been extensively documented among retail investors, evidence fromprofessional investors is scarce. Consistent with theories of overconfidence, we findthat fund managers trade more after good past performance....