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arXiv 2103.00905q-fin.RMq-fin.MF
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过程和向量的集值动态风险度量

Set-Valued Dynamic Risk Measures for Processes and Vectors

Yanhong Chen, Zachary Feinstein

摘要:

研究了过程的集值风险测度与向量在可选过滤上的关系。给出了过程和向量的风险度量的等价性以及它们的罚函数公式的等价性。与标量风险措施相比,这种等价性需要增强的过程的集值风险措施。我们利用这一结果推导出一个新的对偶表示的风险措施的过程中的集值框架。最后,等价的多投资组合的时间一致性之间的集值风险措施的过程和向量,为了实现这一点,提出了一个增广的定义多投资组合的时间一致性的集值风险措施的过程。

英文摘要:

The relationship between set-valued risk measures for processes and vectors on the optional filtration is investigated. The equivalence of risk measures for processes and vectors and the equivalence of their penalty function formulations are provided. In contrast with scalar risk measures, this equivalence requires an augmentation of the set-valued risk measures for processes. We utilize this result to deduce a new dual representation for risk measures for processes in the set-valued framework. Finally, the equivalence of multiportfolio time consistency between set-valued risk measures for processes and vectors is provided; to accomplish this, an augmented definition for multiportfolio time consistency of set-valued risk measures for processes is proposed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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