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基于Copula的石油价格与卢布汇率的相依性研究 被引量:1

Dependence Structure Between Oil Price and the Ruble Exchange Rate Based on Copula Model
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摘要 利用趋势平稳过程对石油价格和卢布汇率价格序列进行处理,应用Copula-kernel模型对石油价格和卢布汇率的尾部相关性进行了研究。实证分析结果表明,国际油价和卢布汇率之间存在明显非对称的尾部相依结构。 The time trend of oil prices and the ruble exchange rates is removed using trend stationary process respectively,then the tail correlation between them was analyzed based on Copula-kernel method.The results show that there exists an asymmetric tail dependence structure between the oil prices and the ruble exchange rates.
出处 《青岛大学学报(自然科学版)》 CAS 2016年第1期15-18,23,共5页 Journal of Qingdao University(Natural Science Edition)
基金 山东省自然科学基金(批准号:ZR2014AM019)资助
关键词 趋势平稳过程 核密度估计 混合Copula函数 尾部相关性 trend stationary process kernel density estimation mixture Copula tail dependence
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