摘要
针对沪深股指,讨论了Gaussian Copula与t-Copula的密度函数,并进行相关性建模,采用二步估计法对所建模型进行参数估计并给出了相关性指标。最后,通过Monte Carlo模拟的方法比较了Copula关联结构之间的差异。
Gaussian Copula and t-Copula density functions were discussed according to the Shanghai-Shenzhen stock index, and a correlation model was provided. The parameter of this model was estimated by the two-step estimating method and the relative index was given. Finally, the difference between Copula correlation structures was compared by the Monte Carlo method.
出处
《山东大学学报(理学版)》
CAS
CSCD
北大核心
2007年第12期63-68,72,共7页
Journal of Shandong University(Natural Science)
基金
山东省自然科学基金资助项目(Y2006A17)
国家统计局资助项目(2006C08)