Many studies document failures of expected utility’s key assumption, the independence axiom. Here, we show that independence can be decomposed into two distinct axioms - betweenness and homotheticity - and that these two axioms are necessary and sufficient for independence. Thus, independence...

Expected utility theory (EUT) is currently the standard framework which formally defines rational decision-making under risky conditions. EUT uses a theoretical device called von Neumann-Morgenstern utility function, where concepts of function and random variable are employed in their...

"The OECD contributes to the improvement of the financial management of major catastrophes both through the activities of the International Network on the Financial Management of Large-Scale Catastrophes and through the leadership of its High-Level Advisory Board. This publication brings...