This paper develops a broad-based sentiment indicator for Germany and investigates whether investor sentiment can explain stock returns on the German stock market. Based on a principal component analysis, we construct a sentiment indicator that condenses information of several well-known...

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....

This paper investigates whether investor sentiment can explain stock returns on theGerman stock market. Based on a principal component analysis, we construct a senti-ment indicator that condenses information of several well-known sentiment proxies. Weshow that this indicator explains the return...

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...

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...

We examine overconfidence among equity mutual fund managers. While overconfidence has been extensively documented among retail investors, evidence from professional investors is scarce. Consistent with theories of overconfidence, we find that fund managers trade more after good past performance....