Recent work has shown that, in the presence of moral hazard, balanced budget Nash equilibria in groups are not pareto-optimal. This work shows that when agents misperceive the effects of their actions on the joint outcome, there exist a set of sharing rules which balance the budget and lead to a...

The nature, and normative properties, of competition in health care markets has long been the subject of much debate. In particular, policymakers have exhibited a great deal of reservation toward competition in health care markets, as demonstrated by the plethora of regulations governing the...