function of the group.s wealth level, or equivalently, that the representative agent has a state-dependent utility function. We … degree of pessimism of the representative agent is the mean of the individual ones weighted by their index of absolute risk …

first-order approximated solution built by perturbation methods accounts for risk. We show that risk matters economically in … a real business cycle (RBC) model with habit formation and capital adjustment costs and that neglecting risk leads to …

We investigate whether violations of canonical axioms of choice under risk are mistakes or a manifestation of true … almost half of our subjects. Among those, roughly 24%are rational expected utility maximizers, 24% make occasional mistakes …

We propose a new measure of deviations from expected utility, given data on economic choices under risk and uncertainty … deviation (in beliefs, utility, or perceived prices) is within e of expected utility theory. The number e can then be used as a … distance to the theory. We apply our methodology to three recent large-scale experiments. Many subjects in those experiments …

The quasi-linear quadratic utility model is widely used in economics. The knowledge of its exact origin is less …

In the expected-utility theory of the monetary value of a statistical life, the so-called dead-anyway effect discovered … risk increases with the initial level of risk. Their reasoning is based on differences in the marginal utility of wealth …: first, for a risk-averse individual without a bequest motive, marginal WTP for survival does increase with the level of risk …

payers act according to some non-expected utility theory, and (2) Individual ethical norms and social stigma induce people … subjective probabilities of being penalised according to the rank dependent utility theory, and (2) Tax payers' beliefs about … utility theory. The model explains data 53% better than pure random choices and predicts hours worked in the regular economy …

We formulate a general theory of preferences over outcome-time-probability triplets and decompose uncertainty into risk … general discounted utility model which encompasses the main empirically supported discounted utility models. We show that our … axioms on preferences are satisfied in our general discounted utility model. Finally, we discuss the various explanations of …

attitudes towards ambiguity and compound risk which suggests that compound risk aversion may provide a psychological foundation … for ambiguity aversion. However, compound risk aversion and ambiguity aversion may also be independent psychological …’s ability to reduce compound to simple risks, and analyzing how this affects their compound risk and ambiguity attitudes in …