The paper clarifies the link between changes in risk aversion and the effect on the consumption discount rate. In a … rate to a change in risk aversion depends on some fundamental properties of the considered uncertainties. The application … of this general result to specific forms of uncertainty extends existing results to more general forms of risk and yields …

Models (IAMs), which assumes no risk sharing across region, we introduce global risk sharing via a market for state … across regions. We estimate that such risk sharing scheme of climate risks could lead to welfare gains reducing the global … for considering risk sharing in IAMs, but also for potentially welfare increasing negotiations about sharing risks of …