How Hurricane Katrina's costs are adding up.
Insurance industry costs plus federal outlays could equal '$200 billion event'

By Martin Wolk
Chief economics correspondent
MSNBC
Updated: 7:30 p.m. ET Sept. 13, 2

It will be months -- or even years -- before the cost of Hurricane Katrina is fully known, but insurance industry experts are refining their estimates and agree losses will far exceed $100 billion, making it the nation's costliest natural disaster.

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