is also not explained by Prospect Theory models, which predict risk seeking for losses. We discuss these findings in …

choice between risky and ambiguous Ellsberg urns, we let them choose between a safe option and a risky lottery, whose risk is …, subjects can reduce or even eliminate the ambiguity and turn the decision situation into one of risk. Under the assumption that … request more information. Moreover, we investigate whether the relation between attitudes towards risk and ambiguity is linked …

can generate systematic biases in revealed preference measures such as spurious risk aversion. These effects are very …