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Research on the Relationship between CPI and PPI Based on VEC Model

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DOI: 10.4236/ojs.2019.92016    141 Downloads   294 Views

ABSTRACT

By establishing the VEC model, the relationship between Consumer Price Index (CPI) and Producer Price Index (PPI) is explored by using Johansen cointegration test and impulse response function. The results show that there is a long-term equilibrium cointegration relationship between CPI and PPI. CPI has a certain impact on PPI. PPI also has a certain impact on CPI. PPI has a great impact on itself both in the long-term and short-term. The current CPI will be adversely affected by the previous CPI and the positive impact of the previous PPI. The current PPI will be positively affected by the previous phase of CPI and the previous phase of PPI.

Cite this paper

Li, S. , Tang, G. , Yang, D. and Du, S. (2019) Research on the Relationship between CPI and PPI Based on VEC Model. Open Journal of Statistics, 9, 218-229. doi: 10.4236/ojs.2019.92016.

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