Hurricane Katrina did massive damage because New Orleans and the Gulf Coast were not appropriately protected. Wherever natural disasters threaten, the government - in its traditional role as public goods provider - must decide what level of protection to provide to an area. It does so by...

Catastrophic risks differ in terms of their natural or human origins, their possible amplification by human behaviors, and the relationships between those who create the risks and those who suffer the losses. Given their disparate anatomies, catastrophic risks generally require tailored...