The percentage of those uninsured in the U.S. has risen in recent years, although out-of-pocket expenditures have declined. At the same time, the obesity rate has significantly risen. We look at obesity in the context of a model in which the status of health insurance might play a role in...

"Although international programs for carbon offsets play an important role in current and prospective climate-change policy, they continue to be very controversial. Asymmetric information creates several incentive problems, include adverse selection and moral hazard, in offset markets. The...