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马尔可夫状态转换加随机波动瞬时利率模型实证研究
Authors
刘晓曙
郑振龙
Publication date
22 November 2009
Publisher
Abstract
文章对中国瞬时利率动态行为进行了实证研究,比较了一类马尔可夫状态转换加随机波动扩散模型。与以往研究不同,文章对模型所有参数采用基于Gibbs抽样的马尔可夫链蒙特卡罗模拟方法进行估计。同时,通过MAE(绝对误差平均值)、MRSE(平方误差均值)、调整R~2、对数损失函数LL以及非参数Wilcoxon检验对各种模型的样本内与样本外预测能力进行了分析与比较,结果表明:中国利率市场确实存在马尔可夫状态转换现象,其中Smith模型更适合刻画国内瞬时利率动态行为
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Last time updated on 16/06/2016