Some investment advisors offer multiple versions of a fund with the same manager and highly correlated returns. But these twinʺ funds are separate portfolios for different investors with differing abilities to select and monitor managers. Using a matched sample of retail and institutional twin...

We explore the relation between fund performance and the assets managed by the fund's managers that are outside the fund. Controlling for fund size, we find a negative relation between fund performance and the size of the manager's outside holdings, the number of other funds managed, and the...

We examine team diversity and performance using the asset management industry as a laboratory. Employing political affiliation as a proxy, we find ideologically diverse teams perform better than homogeneous teams. The mechanism involves both improved decision-making due to more diverse...

We examine the role of peer (e.g., Lipper indices) vs. pure (i.e., market indices) benchmarks in the compensation contract of mutual fund managers. We first model the impact of peer vs. pure benchmarks on fund manager incentives. Then, using a unique hand-collected dataset, we test the...

Using manager compensation disclosure and intra-family manager cooperation measures, we create indices of family-level competitive/cooperative incentives. Families that encourage cooperation among their managers are more likely to engage in coordinated behavior (e.g., cross-trading,...

Studies examine the relation between mutual fund performance and trading cost using a variety of proxies - the most common being portfolio turnover. Overall, the evidence is consistent with informational equilibrium, i.e., trading has zero net impact on performance. We offer an alternative...