This study re-visits the question of benchmark mismatch among 1281 US equity mutual funds and its impact on benchmark-adjusted fund performance and ranking. All funds report S&P500 index as a prospectus benchmark, yet 2/3 of those are placed in the Morningstar category with risk and objectives...

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....