on the insurance system that covers its inhabitants. As uniform insurance depends on all insureds’ risk, it enables a …

and Stiglitz 'model. In this case, we show that the optimal contract exhibits a deductible for the high health risk type … low health risk type. …

of assets with short-selling where there is risk and ambiguity. Agents have Bewley’s incomplete preferences. As an … of the risk adjusted sets of probabilities intersect. The more risk averse, the more ambiguity averse the agents, the …

We study imperfect competition between insurers in a multiple-risk environment. In the absence of asymmetric …

posteriori optimism. This paper finds that financial optimism has a significant positive effect on risk taking behaviour …. Optimistic investors choose risky portfolios over risk-free portfolios for their investments and have higher personal debt …

We define a repairable asset as an irreplaceable commodity whose quality is at risk, but can be partly restored at a …

The theory of existence of equilibrium with short-selling is reconsidered under risk and ambiguity modelled by risk … averse variational preferences. No-arbitrage conditions are given in terms of risk adjusted priors. A sufficient condition … for existence of efficient allocations is the overlapping of the interiors of the risk adjusted sets of priors or the …