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基于贝叶斯MCMC方法的VaR估计 被引量:3

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摘要 文章运用极值理论对VaR估计通常是用极大似然估计法,研究了利用BayesMCMC方法来估计极值理论中POT模型的参数,从而求得VaR。文章首先阐述对样本值建立POT模型,给出常用的阈值选取方法;然后使用MCMC方法中的Gibbs抽样对参数进行估计;最后利用上证综合指数对其进行了实证分析,验证了Bayes方法的有效性。
出处 《统计与决策》 CSSCI 北大核心 2010年第7期25-27,共3页 Statistics & Decision
基金 国家自然科学基金资助项目(60672049)
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参考文献5

  • 1刘睿,詹原瑞,刘家鹏.基于贝叶斯MCMC的POT模型——低频高损的操作风险度量[J].管理科学,2007,20(3):76-83. 被引量:21
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二级参考文献20

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同被引文献43

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二级引证文献5

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