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...

This paper assesses the relationship between risk-shifting of mutual funds, measured as benchmark-adjusted factor-based investment style change following a structural break, and their risk-adjusted performance. We isolate only the breaks in style risk beyond those embedded in the funds’...