Most decisions concerning (self-)insurance and self-protection have to be taken in situations in which a) the effort … under which ambiguity aversion raises the demand for (self-)insurance and self-protection. In particular, it is shown that … ambiguity prudence known as decreasing absolute ambiguity aversion (DAAA) is sufficient to give a clear and positive answer to …

reduction (self-protection) so that correlation becomes endogenous. If prevention concerns only one risk, introducing a second … exogenous risk increases the level of prevention expenditures, even if correlation is negative. If prevention expenditures may … increased dependence increases aggregate prevention expenditures, but not necessarily prevention expenditures for each risk due …

the expected value of a lottery to the latter, so they are weakly risk averse. Besides explaining behavioral … irregularities like the expected utility paradoxes of Allais and Rabin, CT also separates risk attitude in the strong sense from … attitude towards wealth. Risk attitude is completely determined by the curvature of vuand is independent of the value function …

specification includes two parameters: one for ambiguity attitudes and another for risk attitudes. We also estimate a three …

preferences. Full insurance cannot be rejected. As the risk-sharing as-if-complete-markets theory might predict, estimated risk …We show how to use panel data on household consumption to directly estimate households’ risk preferences. Specifically …, we measure heterogeneity in risk aversion among households in Thai villages using a full risk-sharing model, which we …

with individual VaR delivers an optimal wealth assignment between risky and risk-free assets …

coefficient of relative risk aversion (CRRA) that is commensurate with a 100% investment in the risky asset is simulated. The …