We examine how third party ratings and mandatory benchmark disclosure affect aggregate risk adjustment by retail investors. Morningstar changed its ratings methodology in June 2002. Before the change, the ratings were based on a risk-adjusted performance ranking of all US equity funds and highly...

We examine the selection of fund self-declared benchmarks. While the incidence of style mismatched benchmarks is high at the beginning of our sample (41% of fund assets/34% of funds), it declines significantly over time. This decline is driven primarily by existing funds changing their...