We develop a new method for detecting portfolio manager activity. Our method relies exclusively on portfolio returns and, consequently, avoids the pitfalls associated with disclosed portfolio holdings. We investigate the link between activity and performance of actively managed U.S. equity funds...

We investigate the performance of the German equity mutual fund industry over 20years (monthly data 1990–2009) using the false discovery rate (FDR) to examine both model selection and performance measurement. When using the Fama–French three factor (3F) model (with no market timing) we find...

In this paper, we globally investigate market timing abilities of mutual fund managers from the three perspectives: market return, market-wide volatility and aggregate liquidity. We propose a new specification to study market timing. Instead of considering an average market exposure for mutual...