Annuities offer reduced risk for an ageing population, but adverse selection leads to high premiums, as those with high life expectancies are most likely to enroll. (by David Uren)

Regular flooding of the Delaware River is due to moral hazard. Responsible parties, including energy companies, face no responsibility as the federal government provides relief. (by Graham L. Brown)

Argues that waiting periods for medical insurance coverage in South Africa should be used only to overcome adverse selection, not to forward discrimination.

Thomas Schelling's Nobel prize winning theory helps people diet, with public humiliation facing those who do not lose the weight.

An economist worries about the moral hazard created by the medicare prescription drug benefit. (by Austan Goolsbee)

Argues that politicians have overstated the moral hazard problem in medical insurance, as few people would overconsume medical services. (by Malcolm Gladwell)

Prisoners' dilemmas are only troublesome when people are assumed to be selfish. Yet, if we predicate public policy on reciprocity and cooperation, better outcomes would result. (by John Kay)

Environmental protection suffers from the tragedy of the commons where public lands suffer due to a lack of property rights.

Cites arguments that adverse selection will lead to only the healthiest accepting medical savings accounts, leaving remaining workers with higher health costs.

Discusses the role of capitation and other incentive pay packages in managed care.

Suggests that a Medicare prescription benefit would result in financial troubles due to adverse selection.

Prescription drug coverage proposals face adverse selection problems as healthy less likely to sign on.

Economists design market mechanisms including auctions and the National Resident Matching Program.

Generic drug makes paid not to produce generics in cooperation among pharmaceutical manufacturers.

The desire to hoard antibiotics in response to anthrax threats leads to a prisoner's dilemma and limited supplies. (by John Allen Paulos)

Increased use of bicycle helmets leads to moral hazard, more injuries.

Antibiotic resistance presents a tragedy of the commons.

Is modern medicine lowering the health risks of obesity? and other incentive and moral hazard arguments.

Bayesian probability analysis gains popularity in uses ranging from effectiveness of medical procedures to email screeners.

Hospitals bidding for nurses find themselves in a prisoner's dilemma.

Internet auctions take a strange turn in allocating ova to highest bidders.

Understanding incentives may explain why helmet laws increase fatalities

Risk management and incentive pay in physician groups.

Pollution regulation is a prisoner's dilemma between companies and regulators

The Greenhouse Effect results from a tragedy of the commons which can be overcome with tit-for-tat strategies.