of beliefs (or ambiguity), imprecision of tastes (or multi-utility), and state dependence of utility. Examples include … phenomena, as well as state-dependent multi-utility generalisations of popular ambiguity models …Many decision situations involve two or more of the following divergences from subjective expected utility: imprecision …

researchers especially in health economics emphasizing the policy importance of the phenomenon. Although the bias has been …

health outcomes conditional on observed patient covariates. Let y be an outcome of interest and let (x=k, w=j) be observed … patient covariates. Suppose a clinician wants to choose a care option that maximizes a patient's expected utility conditional …

We present a non-technical account of ambiguity in strategic games and show how it may be applied to economics and … social sciences. Optimistic and pessimistic responses to ambiguity are formally modelled. We show that pessimism has the … ambiguity on peace-making are examined. It is shown that ambiguity may select equilibria in coordination games with multiple …

Ambiguity refers to a decision situation under uncertainty when there is incomplete information about the likelihood of … ambiguity and ambiguity aversion. …

Traditionally, real experiments testing subjective expected utility theory take for granted that subjects view the …, with the game ranging from a zero-sum one to a coordination game. Meanwhile, the predictions by ambiguity aversion models …

differences lies in the dichotomy between first-order and second-order ambiguity aversion which I define here. My definition and …-order ambiguity aversion a positive exposure to ambiguity is optimal if and only if there is a subjective belief such that the actś … expected outcome is positive. With first-order ambiguity aversion, zero exposure to ambiguity can be optimal. Examples in …