This paper proposes and characterises a model of uncertainty averse preferences that can simultaneously accommodate three divergences from subjective expected utility: imprecision of beliefs (or ambiguity), imprecision of tastes (or multi utility), and state dependence of utility. Moreover, it...

We study portfolio allocation and characterize contracts issued by firms in the international financial market when investors exhibit ambiguity aversion and perceive ambiguity in assets issued in foreign locations. Increases in the variance of their risky production process cause firms to issue...

Using a model of bivariate decision under risk of disease, with separates the financial losses from the health losses, we analyse the curative demand for healthcare and the determinants of overconsumption care problem. We also study the demand for self-protection and the demand for...

We study the impact of induced positive or negative emotions on economic decisions in a negotiation context. Decision was assessed with a well studied social task, the Ultimatum game. In this task, subjects had to make decisions to either accept or reject fair or unfair offers from other...

We propose a task for eliciting attitudes towards risk that is close to real world risky decisions which typically involve gains and losses. The task consists of accepting or rejecting gambles that provide a gain with probability p and a loss with probability 1 − p. We employ finite mixture...