Adverse selection, which is well described in the theoretical literature on insurance, remains relatively difficult to study empirically. The traditional approach, which focuses on the binary decision of “covered” or “not”, potentially misses the main effects because heterogeneity may be...

We analyze the existence and persistence of moral hazard over time to test the assumption of pent-up demand. We consider the effects of supplemental health insurance provided by a private insurer when added to compulsory public insurance already supplemented by private insurance. Using panel...