We evaluate the performance of limited partners' (LPs) private equity investments over time. Using a sample of 14,380 investments by 1,852 LPs in 1,250 buyout and venture funds started between 1991 and 2006, we find that the superior performance of endowment investors in the 1991-1998 period,...

Using a large sample of institutional investors' investments in private equity funds raised between 1991 and 2011, we estimate the extent to which investors' skill affects their returns. Bootstrap analyses show that the variance of actual performance is higher than would be expected by chance,...