期刊文献+

基于动态Copula方法的股票组合VaR估计 被引量:6

下载PDF
导出
摘要 已有的使用动态时变Copula估计VaR的研究都仅限于考虑两个资产,对两个资产以上,Copula函数的参数过多,逐一设定参数的动态过程,将使模型复杂化,在计算上也不可行。为解决这一问题,文章使用条件Copula的概念,结合Engle的DCC方法,将椭球Copula的相关系数矩阵动态化,并将t-Copula的自由度设定为一动态过程的Logistic变换,由此得到的动态正态Copula和t-Copula可用于刻画两个以上资产相关结构的动态关系,进而可估计两个以上资产组合的VaR。文章还给出了一个经验应用。
出处 《统计与决策》 CSSCI 北大核心 2010年第17期11-14,共4页 Statistics & Decision
关键词 VAR DCC 动态Copula
  • 相关文献

参考文献7

  • 1Cherubini U, Luciano E. Value at Risk Trade-off and Capital Mlocation with Copulas[J].Economic Notes,2001,30.
  • 2Ane, Kharoubi. Dependence Structure and Risk Measure[J].The Journal of Business,2003,(76).
  • 3Patton, A. J. Modelling Asymmetric Exchange Rate Dependence [J].International Economic Review,2006,47.
  • 4罗付岩,邓光明.基于时变Copula的VaR估计[J].系统工程,2007,25(8):28-33. 被引量:34
  • 5Fermanian, Jean-David, Scaillet, Olivier. Sensitivity Analysis of VaR and Expected Shortfall for Portfolios under Netting Agreements[J].Joumal of Banking & Finance, Elsevier,2005,29(4).
  • 6C. Genest, K, Ghoudi, L.-P. Rivest. A Semiparametrie Estimation Procedure of Dependence Parameters in Multivariate Families of Distributions[J].Biometrika, 1995,82.
  • 7Diebold,F.X,T.Gunther, A.S.Tay.Evaluating Density Forecasts, with Applications to Financial Risk Management[J].International Economic Review,1998,39.

二级参考文献6

  • 1Patton A. Modelling asymmetric exchange rate dependence[J]. International Economic Review,2006, 47:527~556.
  • 2Jondeau E, Rockinger M. The Copula-GARCH model of conditional dependencies: an international stock market application[J]. International Money and Finance, 2006,25 : 827~853.
  • 3Jackel P. Monte Carlo methods in finance[M].John Wiley & Sons,2002:41-51.
  • 4Nelsen R. An introduction to copulas [M]. New York : Springer, 1999.
  • 5Cherubini U,et al. Copula method in finance[M]. Wiley & Son, 2004.
  • 6Patton A. Modelling asymmetric exchange rate dependence(working paper 2001-09)[Z]. San Diego: Department of Economics,University of California, 2001.

共引文献33

同被引文献110

引证文献6

二级引证文献49

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部