Bilateral risk sharing with heterogeneous beliefs and exposure constraints

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Título: Bilateral risk sharing with heterogeneous beliefs and exposure constraints / Tim J. Boonen, Mario Ghossoub
Notas: Sumario: This paper studies bilateral risk sharing under no aggregate uncertainty, where one agent has Expected-Utility preferences and the other agent has Rankdependent utility preferences with a general probability distortion function. We impose exogenous constraints on the risk exposure for both agents, and we allow for any type or level of belief heterogeneity.We show that Pareto-optimal risk-sharing contracts can be obtained via a constrained utility maximization under a participation constraint of the other agent. This allows us to give an explicit characterization of optimal risk-sharing contracts. In particular, we show that an optimal risk-sharing contract contains allocations that are monotone functions of the likelihood ratio, where the latter is obtained from Lebesgue's Decomposition Theorem.
Autores secundários: Boonen, Tim J.
Ghossoub, Mario
Outras classificações: 6

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