We show that a June 2002 reform in Morningstar's mutual fund rating methodology led to substantial drop in the profitability of momentum-related asset pricing factors. Before the reform, funds pursuing the same investment style had correlated ratings heavily influenced by recent style...

We show that mutual fund ratings generate correlated demand that creates systematic price fluctuations. Mutual fund investors chase fund performance via Morningstar ratings. Until June 2002, funds pursuing the same investment style had highly correlated ratings. Therefore, rating-chasing...

Rational investors should account for risk factor exposure when allocating capital to mutual funds. Two recent influential studies use mutual fund flows to test whether investors distinguish between performance driven by managers' skill and systematic risk factors. Both studies found that...

We study the long-run outcomes associated with hedge funds' compensation structure. Over a 22-year period, the aggregate effective incentive fee rate is 2.5 times the average contractual rate (i.e., around 50% instead of 20%). Overall, investors collected 36 cents for every dollar earned on...

We study whether industry familiarity is an advantage in stock trading by exploring the trading patterns of industry insiders in their own personal portfolios. To do so, we identify accounts of industry insiders in a large dataset provided by a retail discount broker. We find that insiders trade...

We study whether industry familiarity is an advantage in stock trading by exploring the trading patterns of industry insiders in their own personal portfolios. To do so, we identify accounts of industry insiders in a large dataset provided by a retail discount broker. We find that insiders trade...

We study the long-run outcomes associated with hedge funds' compensation structure. Over a 22-year period, the aggregate effective incentive fee rate is 2.5 times the average contractual rate (i.e., around 50% instead of 20%). Overall, investors collected 36 cents for every dollar earned on...