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Changes in multiplicative background risk and risk-taking behavior

机译:乘法本底风险和冒险行为的变化

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This article analyzes the conditions under which any change in a multiplicative background risk induces a more cautious behavior. We give necessary and sufficient conditions under which any change in the multiplicative background risk with respect to the Nth-degree stochastic dominance raises local risk aversion. Surprisingly, decreasing relative risk aversion of any order up to N in the sense of Pratt (Econometrica 32:122–136, 1964) coupled with decreasing relative risk aversion in the sense of Ross (Econometrica 49:631–638, 1981) are sufficient to guarantee an increase in local risk aversion after any deterioration of the multiplicative background risk thanks to the Nth-degree stochastic dominance. We link our results concerning second-order stochastic dominance with the concept of multiplicative risk vulnerability.
机译:本文分析了乘法本底风险的任何变化引发更谨慎行为的条件。我们提供了必要和充分的条件,在这些条件下,乘数背景风险相对于N级随机优势的任何变化都会引起局部风险规避。出人意料的是,将任何阶数的相对风险规避降低到Pratt(Econometrica 32:122–136,1964),同时将相对风险规避降低到Ross(Econometrica 49:631–638,1981)就足够了。由于N阶随机优势,在乘法本底风险恶化后,可以确保增加本地风险规避。我们将有关二阶随机优势的结果与乘性风险脆弱性的概念联系起来。

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