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- W4302027683 abstract "We analyze multiline pricing and capital allocation in equilibrium no-arbitrage markets. Existing theories often assume a perfect complete market, but when pricing is linear, there is no diversification benefit from risk pooling and therefore no role for insurance companies. Instead of a perfect market, we assume a non-additive distortion pricing functional and the principle of equal priority of payments in default. Under these assumptions, we derive a canonical allocation of premium and margin, with properties that merit the name the natural allocation. The natural allocation gives non-negative margins to all independent lines for default-free insurance but can exhibit negative margins for low-risk lines under limited liability. We introduce novel conditional expectation measures of relative risk within a portfolio and use them to derive simple, intuitively appealing expressions for risk margins and capital allocations. We give a unique capital allocation consistent with our law invariant pricing functional. Such allocations produce returns that vary by line, in contrast to many other approaches. Our model provides a bridge between the theoretical perspective that there should be no compensation for bearing diversifiable risk and the empirical observation that more risky lines fetch higher margins relative to subjective expected values." @default.
- W4302027683 created "2022-10-06" @default.
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- W4302027683 date "2020-08-27" @default.
- W4302027683 modified "2023-10-16" @default.
- W4302027683 title "Pricing and Capital Allocation for Multiline Insurance Firms With Finite Assets in an Imperfect Market" @default.
- W4302027683 doi "https://doi.org/10.48550/arxiv.2008.12427" @default.
- W4302027683 hasPublicationYear "2020" @default.
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