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金融市场收益率分布尾部行为的多重结构性——来自股指期货市场的实证分析

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摘要 本文基于极值理论,采用多结构变化线性模型来探讨金融收益分布的多重结构变化特征,以道琼斯工业指数期货为样本进行实证研究,研究结果表明:在样本期间道琼斯工业指数期货收益分布的左尾与普通尾部分布中至少存在一个断点,以估计的断点为基础,各不同区域的平均尾部指数呈递增的趋势,这与递减的金融极端事件不一致,说明期货收益分布的尾部行为的结构性变化与负面冲击相联系,因而也说明在期货合约的长期与短期投资中,应采取不同的风险管理办法。
作者 唐海仕
机构地区 中南大学商学院
出处 《江西社会科学》 CSSCI 北大核心 2008年第10期90-93,共4页 Jiangxi Social Sciences
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