Insurance only works if reinsurance works, those in the business say. An insurer that would face crippling losses if, say, a hurricane struck an island where it had covered lots of property against extreme weather, would typically insure itself against such an event with a reinsurer. But the $425 billion industry is under threat as insurers increasingly offload risk directly to capital markets instead. This month Warren Buffett, who has investments in reinsurance, dismissed it as a "fashionable asset class" whose prospects have "turned for the worse".
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