Causality for Risk Analysts: Improving Our Understanding of How the World Works -- Improving Individual Risk Management Decisions: Learning from Experience and Coping with Model Uncertainty -- Improving Community Risk Management: Managing Disaster Risks -- Improving Organizational Risk...

We prove that the Omega measure, which considers all moments when assessing portfolio performance, is equivalent to the widely used Sharpe ratio under jointly elliptic distributions of returns. Portfolio optimization of the Sharpe ratio is then explored, with an active-set algorithm presented...