Protective decisions are often puzzling. Among other anomalies, people insure against non-catastrophic events, underinsure against catastrophic risks, and allow extraneous factors to influence insurance purchases and other protective decisions. Neither expected utility theory nor prospect theory...

Much of decision aiding uses a divide-and-conquer strategy to help people with risky decisions. Assessing the utility of outcomes and one's degree of belief in their likelihood are assumed to be separable tasks, the results of which can then be combined to determine the preferred alternative....

On the importance of descriptive models of judgment and choice processes. The disciplines of economics and political science, as well as applied climate science, have added a great deal to our understanding of the obstacles to the use of climate information. However, in order for climate...