We present evidence that equity momentum strategies are partially driven by positive-feedback trading intermediated via the mutual fund sector. We identify a U.S.-specific structural break to this channel that substantially weakened the relationship between fund flows and past style returns. As...

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...

We demonstrate that a broad set of asset pricing factors (anomalies) are significantly exposed to "noise trader risk," and the noise trader risk is priced in factor premia. We first confirm that mutual funds' flow-induced trades of factors are uninformed as they generate a large price impact on...