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股票收益率风险价值的尾分布研究

Study on Tail Distribution of Stock Returns' VaR
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摘要 风险测量是金融风险管理的一个重要任务,风险价值(VaR)是近年来兴起的一种金融风险度量方法。用一个独立的分布(尾分布)去拟合收益率数据的尾部,以此来估测上海、深圳两地的股票市场收益率的风险价值。实证研究表明,这种方法比传统的方差-协方差法、半参数法和Lap lace分布法要好些。 Risk measurement is important to financial risk management. And value at risk (VaR) is a new measurement for financial risk. In this paper, an independent distribution is used to fit the tail of stock date sets. An empirical analysis shows that this method is better than Normal distribution, Laplace distribution and semi - parameter approach.
出处 《武汉理工大学学报(信息与管理工程版)》 CAS 2006年第12期138-141,共4页 Journal of Wuhan University of Technology:Information & Management Engineering
基金 国家自然科学基金资助项目(60574011) 中国博士后基金资助项目(2005038553) 湖北省教育厅科学基金重大资助项目(2002z04001)
关键词 风险价值(VaR) 收益率 尾分布 VaR returns tail distribution
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