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基于含异方差和跳的CKLS模型的利率特征研究 被引量:1

Behavior of Interest Rate Based on CKLS Model with Jump and Garch
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摘要 选取同业拆借IBO007和国债回购R007日利率数据,构建含有跳和异方差的一类CKLS模型,采用拟似然函数估计此CKLS类八个模型。研究结果认为含有跳和异方差的CKLSGJ模型最适合描述我国短期利率的行为。表明CKLSGJ模型能解释利率回复速度、水平效应,能较好的刻画利率不连续性变化和异方差性,可以很好的拟合数据并有较强的预测能力。 The paper chooses IBO007 and R007 as the interest rate data and puts forward a model which is based on the CKLS model with jump process and heteroscedasticity. After Estimating eight models by employing the quasi likelihood method, the paper concludes that the CKLSGJ is the most suitable. The study demonstrates that the CKLSGJ model can better explain the mean reversion speed, the level effect and capture their discontinuous change and heteroscedasticity.
出处 《科技管理研究》 CSSCI 北大核心 2013年第2期218-223,共6页 Science and Technology Management Research
基金 教育部人文社科一般研究项目"风险抵押组合与信用风险定价"(09YJA790028) 科技部创新方法"经管类数学课程教学内容与课程体系研究"(2009IM010400) 国家自然科学基金项目"我国通胀预期与通胀风险溢价与宏观因子作用机制的计量研究(71273044)
关键词 异方差 跳过程 拟似然估计 CKLS模型 heteroscedasticity jump process quasi likelihood function CKLS model
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