Working Paper 586

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The Role of Damage-Contingent Contracts in Allocating the Risks of Natural Catastrophes

R. Anton Braun
Richard M. Todd - Assistant Vice President
Neil Wallace - Consultant

Published April 1, 1998

Abstract
The distinguishing feature of natural-catastrophe risk is claimed to be aggregate risk. Because such risk is encompassed in the general competitive model, it seems to pose no new theoretical challenge. However, that model has markets contingent on exogenous events, while the actual economy seems to be developing mainly markets contingent on the level of total damage. In the context of a model with aggregate risk and endogenous total damage, a notion of competitive markets contingent on total damage is formulated. That notion implies that such markets achieve the same (efficient) risk sharing as markets contingent on exogenous events.


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