The Securities and Exchange Commission is currently seeking comments on whether registrants should be required to discuss the probability of occurrence for each risk factor as part of Item 503(c) disclosures. We examine how risk category and spatial distance from a risk assessment target affects...

It should come as no surprise that the governments and citizenries of many countries show little concern about climate change and its consequences. Behavioral decision research over the last 30 years provides a series of lessons about the importance of affect in perceptions of risk and in...

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...

This study tests the adequacy of the axioms underlying Luce and Weber's (1986) conjoint expected risk model. Risk judgments are found to be transitive. Monotonicity or the substitution principle per se seems to hold, but the related probability accounting assumption is violated. The conjoint...

This study of 29 MBA students compares two models of risk perception for both financial and health risk stimuli. The first, inspired by Luce and Weber's Conjoint Expected Risk (CER) model, uses five dimensions: probability of gain, loss and status quo, and expected benefit and harm. The second,...

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....