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宏观因子与利率期限结构:基于混频Nelson—Siegel模型
id: 2324
Date: 20160223
Times:
Magazines
2015年第6期,P14-29
Author
尚玉皇, 郑挺国, 夏凯
Content
大量经验研究发现宏观基本面显著影响收益率曲线及其期限结构特征。本文提出一种包含低频宏观因子的混频Nelson—Siegel模型并基于中国国债收益率及宏观经济变量 展开讨论。研究结果表明:混频模型可以改进同频模型拟合效果并较好刻画出具有明确经济含义的期限结构水平、斜率和曲度因子,说明混频模型在拟合中国国债收益率曲线方面的适应性。此外,我们发现水平因子对通货膨胀有明显作用,尤为重要的是,曲度因子受到GDP 潜在因子显著的正向影响;最后,基于方差分解可以发现通胀因子主要作用于水平因子及收益率曲线长端,而GDP潜在因子则对曲度因子及中期收益率的贡献较大。
JEL-Codes
C32,E32,E52
Keywords
收益率曲线;混频数据;期限结构;GDP潜在因子
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