Investors need performance measures particularly as a means for funds selection inthe process of ex-ante portfolio optimization. Unfortunately, there are various performancemeasures recommended for different decision situations. Since an investor may be uncertainwhich kind of decision problem is...

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 introduces two measures to investigate potential window-dressing behavior amongmutual fund managers. We show that unskilled managers that perform poorly are more likely towindow dress by strategically purchasing winner stocks and selling loser stocks near quarterends. Further, funds...

This paper studies the flow-performance relationship of three di®erent investorgroups in mutual funds: Households, financial corporations, and insurance compa-nies and pension funds, establishing the following findings: Financial corporationshave a strong tendency to chase past performance and...

This paper investigates the purchases and redemptions of a large cross-sectionalsample of German equity funds. We find that investors punish bad performance byselling their shares, but also have a tendency to sell winners. Investors in large fundfamilies show higher sales and redemption rates....

We present evidence of the impact of buy-side analysts on the behavior and performanceof fund managers. Using data provided by a large global asset manager,we relate buy-side analysts’ recommendations to fund transactions on a daily basis.Our results show that buy-side analysts have a...