Some investment advisors offer multiple versions of a fund with the same manager and highly correlated returns. But these twinʺ funds are separate portfolios for different investors with differing abilities to select and monitor managers. Using a matched sample of retail and institutional twin...

We examine the role of peer (e.g., Lipper indices) vs. pure (i.e., market indices) benchmarks in the compensation contract of mutual fund managers. We first model the impact of peer vs. pure benchmarks on fund manager incentives. Then, using a unique hand-collected dataset, we test the...

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...