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California Flood Insurance Hurts Everyone

California is considering adopting its own flood insurance scheme, according to this news report:

California Considers Ditching Federal Flood Insurance For State-Run Program

SACRAMENTO (CBS13) – California is overpaying for flood insurance, according to a report from a UC Davis research group. And now the Department of Water Resources is considering a state-run flood insurance program that could save billions of dollars. “I was afraid to add it up.

Apparently, California residents have paid more than $3B more into the program than those residents have received since the NFIP started. So the plan is to exit the NFIP statewide, and start a state-run flood insurance program.

Now, California has some expertise in this area. The California Earthquake Authority provides a state-run earthquake insurance regime for California residents. Flood insurance is not, at its core, radically different, and so California could apply its own gained experience to the flood insurance problem. And that’s cool.

The downside to this idea is that both the risk pools become riskier, overall. Insurance works by spreading risk across both space and time. While NFIP policies are very concentrated in Florida, California completely withdrawing from the program will increase the correlated risk for the NFIP, overall. Further, the California flood insurance risk pool with also have higher correlated risk than the NFIP overall. Both programs together are a larger problem the NFIP alone.

It’s kind of like the Will Rogers phenomenon, only everyone loses here.

Image by Dave Gatley / FEMA / Wikimedia Commons.