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沪深300指数风险价值分析——基于PARCH-VaR方法 被引量:1

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摘要 由于我国的沪深300指数收益率序列呈现出三种特性:左偏、尖峰厚尾和波动聚集,PARCH模型可以更完美地刻画序列的分布特征。本文利用PARCH模型对指数收益率序列进行拟合,建立PARCH-VaR模型,用以评估中国沪深300指数的风险。研究结果表明,如果假设残差同时服从三种分布:正态分布、t分布和广义误差分布,基于广义误差分布的PARCH模型计算的VaR值最能够客观地反映中国沪深300指数的风险问题。
作者 李刚 王宝义
机构地区 天津财经大学
出处 《中国商贸》 2012年第10X期100-102,共3页 China Business & Trade
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