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基于多因子DTQTSM模型的动态利率期限结构研究
Authors
吴吉林
操君
江百灵
Publication date
30 June 2009
Publisher
Abstract
文章首次把离散时间下多因子二次方形式的利率期限结构模型应用于上交所国债期限的研究,运用扩展的卡尔曼滤波法及拟极大似然法估计模型参数,并比较了常数型、仿射型和二次方型市场风险函数对实际利率期限结构模型的拟合。发现在二次方利率期限结构模型下,二次方市场风险函数对1年期利率拟合的最好;对2年期利率的拟合,常数型和仿射型比二次方型表现更佳;而对3、4、5年期利率期的拟合,仿射模型表现最好
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Last time updated on 16/06/2016