Kacperczyk, Marcin; Sialm, Clemens; Zheng, Lu - In: Review of Financial Studies 21 (2008) 6, pp. 2379-2416
Despite extensive disclosure requirements, mutual fund investors do not observe all actions of fund managers. We estimate the impact of unobserved actions on fund returns using the return gap--the difference between the reported fund return and the return on a portfolio that invests in the...