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Moral Hazard and the Optimality of Debt

机译:道德风险与债务的最优性

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I show that, in a benchmark model, debt securities minimize the welfare losses associated with the moral hazards of excessive risk-taking and lax effort. For any security design, the variance of the security payoff is a statistic that summarizes these welfare losses. Debt securities have the least variance, among all limited liability securities with the same expected value. In other models, mixtures of debt and equity are exactly optimal, and pure debt securities are approximately optimal. I study both static and dynamic security design problems, and show that these two types of problems are equivalent. I use moral hazard in mortgage lending as a recurring example, but my results apply to other corporate finance and principal-agent problems.
机译:我表明,在基准模型中,债务证券最大限度地减少了与过度风险造成的道德危害和宽松的福利危害相关的福利损失。 对于任何安全设计,安全收益的差异是总结这些福利损失的统计数据。 债务证券的差异最少,在所有有限责任证券中具有相同预期价值的。 在其他模型中,债务和股权的混合物完全是最优的,纯债务证券大约最佳。 我研究了静态和动态安全设计问题,并表明这两种问题是等同的。 我在抵押贷款中使用道德风险作为重现例子,但我的结果适用于其他企业融资和委托人问题。

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