The paper reexamines the ethics of intergenerational risk. When risk re-solves gradually, earlier decisions cannot …, the intensity of risk, and the way risk resolves over time. The characterized class of reference-dependent utilitarian … welfare criteria: (i) disentangle aversion to intergenerational inequality from aversion to risk; (ii) value an early …

. This holds under ambiguity, but not in a comparison treatment under risk. …Abstract Popular models for decision making under ambiguity assume that people use not one but multiple priors. This …

under uncertainty and imprecision risk. In the fifth part fuzzy probabilistic sets are applied for actuarial mathematics. …

uncertainty; and ambiguity and fundamental uncertainty. These concepts refer, or fail to refer, to factors such as: a lack of …The present article proposes a typology of the main varieties of uncertainty considered by economists and refines … existing concepts. This typology combines three distinctions, between: substantive and procedural uncertainty; weak and strong …

prescriptive advice must recognise the importance of strategy and decision rules as a response to uncertainty and ambiguity. A … second is that such advice should also take account of the influence of context on attitude to risk and ambiguity. … types of risk, with each engendering a distinctive response. Similarly the context of a decision appeared to have a major …

Several factors affect attitudes toward ambiguity. What happens, however, when people are asked to exchange an …

-order ambiguity, or uncertainty over probabilities, affects food safety decisions. We conduct a food safety survey wherein subjects … unambiguous situations and state a willingness to pay to avoid ambiguity …