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 study the impact of green investors on stock prices in a dynamic equilibrium model where investors are green, passive or active. Green investors track an index that progressively excludes the stocks of the brownest firms; passive investors hold a value-weighted index of all stocks; and active...

We show that active equity funds deliberately alter their factor loadings rather than maintaining a constant style. Changes are larger following quarters in which funds either under- or out-perform other funds based on returns or fund flows. Motivated by this observation, we identify a new...

Studying equity mutual funds that are nominated for the prestigious Morningstar Mutual Fund Manager of the Year award, we document that investors react by reducing flows to non-winners. Since winners and nonrecipients are nominated based on strong past performance, this runner-up effect is...