Active fee is the ratio between the excess cost of active management over the index alternative and the fund's activity level. We suggest a simple model that explains active capital allocations in the presence of time-varying active fee. We show that investors respond in accordance with the...

The active mutual fund equilibrium model developed by Berk and Green (2004) predicts that fees should not matter for investors’ mutual fund choices. We examine how fees influence demand for active mutual funds by analyzing time variation in funds’ fees. Since investors should not pay "alpha...

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....