Due to a lack of data availability, numerous empirical studies on mutual fund flows (e.g. Sirri/Tufano (1998)) analyze synthetically derived flow measures. We show how good these measures can explain actual flows. We compare the measures suggested in the literature with the actual net-flows of...

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....

We examine the relationship between CEO ownership and stock market performance. Firms in which the CEO voluntarily holds a considerable share of outstanding stocks outperform the market by more than 10% p.a. after controlling for traditional risk factors. The effect is most pronounced in firms...