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...

This Paper assesses the ability of international asset pricing models to explain the cross-sectional variation in expected returns. All the models considered seem to capture national market returns fairly well. Global portfolios sorted on earnings-price ratio and market value, however, pose a...

This chapter surveys recent econometric methodologies for inference in large dimensional conditional factor models in finance. Changes in the business cycle and asset characteristics induce time variation in factor loadings and risk premia to be accounted for. The growing trend in the use of...