We provide a graphical illustration of how standard consumer and producer theory can be used to quantify the welfare loss associated with inefficient pricing in insurance markets with selection. We then show how this welfare loss can be estimated empirically using identifying variation in the...

Much of the extensive empirical literature on insurance markets hasfocused on whether adverse selection can be detected. Once detected, however, therehas been little attempt to quantify its welfare cost, or to assess whether and whatpotential government interventions may reduce these costs. To...