通货膨胀持久性研究——基于中国CPI环比数据和同比数据
发布时间:2018-10-09 07:47
【摘要】:同比指标和环比指标是两个完全不同的指标;检验发现CPI同比指标为非平稳的,CPI环比指标具有滞后12阶的季节性。取对数差分后的同比指标和取对数滞后12阶差分的环比指标是完全相同的指标,在运用AR模型度量通货膨胀的持久性时是选择前者还是后者没有差异。实证结果表明中国的通货膨胀持久性水平在1999年1月前后有明显变化,在1991年1月之前通货膨胀受到冲击后持续的时间要长于1999年1月之后的。
[Abstract]:The test shows that the index of CPI is non-stationary and has a seasonal lag of 12 order. The lognormal difference index is exactly the same as the logarithmic lag 12-order difference index. When using AR model to measure the persistence of inflation, there is no difference between the former and the latter. The empirical results show that the persistence of inflation in China changed obviously around January 1999, and the duration of inflation before January 1991 is longer than that after January 1999.
【作者单位】: 华侨大学经济与金融学院;仰恩大学经济学院;
【基金】:国家软科学计划项目(2008GXS5D130) 教育部人文社科规划项目(11YJA790048) 国家社会科学基金项目(11CJY104) 教育部人文社会科学基年基金项目(10YJC790221)的资助
【分类号】:F726;F822.5;F224
本文编号:2258540
[Abstract]:The test shows that the index of CPI is non-stationary and has a seasonal lag of 12 order. The lognormal difference index is exactly the same as the logarithmic lag 12-order difference index. When using AR model to measure the persistence of inflation, there is no difference between the former and the latter. The empirical results show that the persistence of inflation in China changed obviously around January 1999, and the duration of inflation before January 1991 is longer than that after January 1999.
【作者单位】: 华侨大学经济与金融学院;仰恩大学经济学院;
【基金】:国家软科学计划项目(2008GXS5D130) 教育部人文社科规划项目(11YJA790048) 国家社会科学基金项目(11CJY104) 教育部人文社会科学基年基金项目(10YJC790221)的资助
【分类号】:F726;F822.5;F224
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