This paper provides guidance on how to use matched samples to test for differences in trade execution costs (e.g., quoted and effective spreads). Based on extensive simulation results, we conclude that the best practice is to match firms one-to-one based on market capitalization and share price,...

We develop a model of mutual fund manager investment decisions near the end of quarters. We show that when investors reward better performing funds with higher cash flows, near quarter-ends a mutual fund manager has an incentive to distort new investment toward stocks in which his fund holds a...

Hedge funds promise investors the best of both worlds: superior performance and high diversification potential combined into one. This article discusses a number of recent findings that show that the case for hedge funds is less straightforward than often portrayed. A close look at the available...