different risk classes, and were unexpectedly given the opportunity to insure their dental care costs. The setup of the … insurance makes it possible to observe a proxy for private information. Interestingly, results differ across risk classes …. Within high-risk classes, there is evidence of adverse selection and within low-risk classes, the results, surprisingly …

approach for countable domains and combining this with basic measure theory, we obtain necessary and sufficient conditions for … the existence of upper semi-continuous utility functions on a wide class of domains. Although links between utility theory … and measure theory have been pointed out before, to the best of our knowledge this is the first time that the present …