Why do investors entrust active mutual fund managers with large sums of money while receiving negative excess returns … on average? Our explanation is that investors have a coarser information set than fund managers which leads them to … systematically misinterpret managers' skill. When investors are unable to correctly quantify risk because they have no knowledge of …

Active fund managers are skilled and, on average, have used their skill to generate about $3.2 million per year. Large … investing more capital in funds managed by better managers. These funds earn higher aggregate fees, and a strong positive …

-skill managers outperform their low-skill peers in the following month in terms of raw returns and alphas. This outperformance is …

This paper develops a novel method to identify the causal contribution of managers to team performance. The method … requires repeated random assignment of managers to multiple teams and controls for individuals' skills. A good manager is … someone who consistently causes their team to produce more than the sum of their parts. Good managers have roughly twice the …