We study a competitive insurance industry in which insurers have limited liability, face frictional costs in holding capital, and offer coverage over a range of risk classes. We distinguish monoline and multiline industry structures, and provide what we believe are the first propositions...

We develop a model for markets for catastrophic risk. The model explains why insurance providers may choose not to offer insurance for catastrophic risks and not to participate in reinsurance markets, even though there is a large enough market capacity to reach full risk sharing through...