This paper uses direct evidence to evaluate whether asymmetric information is a barrier to trade in the largest market for private insurance in the world: life insurance. We report several findings that seem difficult to reconcile with the conventional theory of insurance under asymmetric...

Although US health care expenditures reached 17.6 percent of GDP in 2009, quality measurement in this important service sector remains limited. Studying quality changes associated with 11 years of health care for patients with diabetes, we find that the value of reduced mortality and avoided...