Robust Portfolio Selection Based on Copula Change Analysis

Robust Portfolio Selection Based on Copula Change Analysis
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基于 Copula 变化分析的稳健投资组合选择

DOI:
10.1080/1540496x.2019.1567262
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发表时间:
2020-12
影响因子:
4
通讯作者:
Sanmang Wu
Sanmang Wu
中科院分区:
经济学4区
文献类型:
--
作者:
Yingwei Han;Ping Li;Jie Li;Sanmang Wu

文献摘要

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摘要本文构造了一个基于动态copula的稳健投资组合模型。我们首先使用一种包含时变参数或时变参数序列的动态copula来表征金融资产之间的动态依赖关系。然后,我们将其用于基于最坏情况条件风险价值(WCVaR)的投资组合选择。实证部分选取中国市场上具有代表性的四种资产,构建宏观资产配置组合并进行绩效分析。结果表明,当考虑资产之间的动态依赖关系和估计模型的不确定性时,我们的方法在样本外测试中表现最好。
ABSTRACT In this article, we construct a robust portfolio selection model based on dynamic copulas. We first use a type of dynamic copula, which contains copulas with time-varying parameters or sequence of copulas, to characterize the dynamic dependence between financial assets. Then, we use it for portfolio selection based on worst-case Conditional Value-at-Risk (WCVaR). In the empirical part we choose four representative assets from Chinese market to construct a macro asset allocation of portfolio and make the performance analysis. Results show that our method performs the best in out-of-sample tests when considering the dynamic dependence between assets and the uncertainty in the estimated model.
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期刊: European Finance eJournal
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