This paper combines the use of portfolio holdings data and conditioning information to create a new performance measure. Our conditional weight-based measure has several advantages. Using conditioning information avoids biases in weight-based measures as discussed by Grinblatt and Titman (1993)....

We introduce a decomposition showing precisely how actively-managed portfolio returns can be separated into three measurable components that we call Opportunity, Foresight, and Active Management Risk. Opportunity reflects the degree to which the investment opportunity set contains exploitable...

We use a sample of democratic firms (with 5 or less anti-takeover provisions) from the Investor Responsibility Research Center (IRRC) database and use idiosyncratic volatility as a proxy for information from the market of corporate control as in Ferreira and Laux (2007) to link the equity...