有偏分布下的VaR估计方法研究
文章利用GARCHS模型对金融时间序列的条件偏度进行动态建模.在此基础上提出了有偏分布下Vail的估计方法。通过沪铜期货的实证结果表明,沪铜期货收益的条件偏度时变特征明显,其收益存在明显的有偏特征。对沪铜期货VaR估计的Kupiec检验比较表明,基于GARCHS模型的VaR估计方法能够提高有偏分布下VaR的估计精度。...
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Veröffentlicht in: | 北京理工大学学报(社会科学版) 2008-10, Vol.10 (5), p.75-77 |
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description | 文章利用GARCHS模型对金融时间序列的条件偏度进行动态建模.在此基础上提出了有偏分布下Vail的估计方法。通过沪铜期货的实证结果表明,沪铜期货收益的条件偏度时变特征明显,其收益存在明显的有偏特征。对沪铜期货VaR估计的Kupiec检验比较表明,基于GARCHS模型的VaR估计方法能够提高有偏分布下VaR的估计精度。 |
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title | 有偏分布下的VaR估计方法研究 |
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