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基于机制转换与随机波动的我国短期利率研究
Authors
吴吉林
陶旺升
Publication date
15 June 2009
Publisher
Abstract
本文针对我国短期利率具有非线性,易受政策影响,波动较大并存在结构变化等特点,在Smith(2002)机制转换随机波动模型基础上,引入了非线性漂移项,并同时考虑了随机波动方程中常数项、滞后一阶项及方差的机制转换。该模型应用于我国银行间7天同业拆月度利率的研究发现,银行7天同业拆借利率存在明显的非线性、机制转换和波动的水平效应,而且引入机制转换后波动的持久性显著下降。另外,研究还发现高位概率对应着高的波动率和高的通货膨胀率,而低位概率对应着低的波动率和低的通货膨胀率
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Last time updated on 16/06/2016