Anyone who has been through a flood or hurricane knows the scene: waterlogged furniture piled on curbs, gutted homes with mold creeping up the walls, families displaced for months. But the recovery isn’t the same for everyone.

While federal flood insurance subsidizes risky coastal and waterfront development for wealthier homeowners by lowering the cost of living in these areas, many low-income households in flood-prone areas remain stuck with risky properties and little help.

As a disaster recovery researcher, I’ve witnessed how perverse incentives create different cycles of vulnerability across income levels. The problem with federal disaster insurance today isn’t just about subsidizing wealthier coastal homeowners – it’s equally about leaving low-income households systematically underinsured without resources to either protect themselves or leave.

Federal flood insurance’s moral hazards

The National Flood Insurance Program was established by Congress in 1968 to provide affordable flood insurance to the public while encouraging floodplain management.

Communities that participate in the program are required to adopt regulations to reduce flood risk in their areas for their residents to qualify. The insurance policies, around 4.7 million today, are purchased either through the program or insurance companies but administered and underwritten by the Federal Emergency Management Agency, the nation’s disaster response agency. When the policy cost is........

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