The on-going debate over whether fund managers have skills and whether those skills are short-lived is still inconclusive. Using the performance measure that can't be manipulated with respect to the underlying distribution, time variation, nor estimation error, (the manipulation-proof...

We examine the relationship between portfolio risk and equity returns over different investment horizons of institutional investors. Compared to long-term institutions, portfolios held by short-term institutions exhibit higher factor loadings in market, size, and momentum. In particular, they...