Mutual fund investors are supposed to make long-term investments instead of striving for quick fortunes. However, the dynamics of funds' ability to generate abnormal returns over their lifetime is still an unattended issue. This paper provides evidence on the liability of newness and liability...

Using a novel measure of stock-level trade imitation, we uncover "smart" copycats: fund managers that use their own information when beneficial, and otherwise imitate other managers' better trades. Contrary to previous research, we find that these partial imitation strategies lead to...