His current research focuses on various topics including risk management, multifactor models, the performance of managed funds, various aspects of equity lending and short selling, and shareholder agreements among parties to firms. His work has appeared in various books and scholarly journals including the Journal of Finance, the Journal of Financial Economics, and the Journal of Political Economy. It has also been covered in The Wall Street Journal, The New York Times, the Financial Times, Forbes, SmartMoney Magazine, on CNBC’s Squawk Box, and in numerous other media outlets.