This paper examines the use of private information by mutual funds with unconditional and conditional performance models. Using daily data for 35 countries over the 1990-2015 period, we find evidence that the use of conditioning information provides a more accurate estimation of fund...

This paper examines the relation between idiosyncratic risk and mutual fund performance using asset pricing models. We use a unique data set containing monthly returns of 949 UK equity mutual funds over a 28-year period to measure fund performance. We find that idiosyncratic risk cannot be...