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 study stock-picking versus asset allocation decisions and static versus dynamic strategies for Turkish markets, from October 2007 to March 2012. We find portfolio performance results to be sensitive to extant conditions such as an asset class dominating others, and thresholds and constraints...