1st Quarter (2010)

David N. Esch Recently there has been an increasing trend in the quantitative finance community to call for statistical models which are explicitly model returns with non-normal probability distributions (e.g. Sheikh and Qiao, 2009, Bhansali, 2008, Harvey and Siddique, 2004). In this paper, we explain why summary rejection of normal distributions is almost always ill-advised… Read more

Dale Gray and Andreas A. Jobst The global financial crisis that began in 2007 has forced a re-examination of macroeconomics, financial economics, regulation, and risk management. Traditional macroeconomics overlooks the importance of risk which makes it ill-suited to analyze risk transmission, contagion and how risks can build up and suddenly erupt in a full blown… Read more

Keith C. Brown and Cristian Tiu The investment decision confronting managers of multi-asset class portfolios can be characterized in terms of the passive (i.e., benchmark or policy) and active (i.e., market timing and security selection) strategies they adopt. In this paper, we investigate whether managers select the appropriate combination of active and passive allocations in… Read more

Lisa R. Goldberg and Michael Y. Hayes We discuss a practical and effective extension of portfolio risk management and construction best practices to account for extreme events. The central element of the extension is (expected) shortfall, which is the expected loss given that a value-at-risk limit is breached. Shortfall is the most basic measure of… Read more