The Analysis of China's Previous CPI Fluctuation Cycle
The current CPI fluctuation is one of the hot issues that people are common concerned, the monthly published data is also concerned. Facing the problem reported by CPI, we need to analyze deeply the CPI fluctuation cycle and study the law and characteristics of fluctuation, so as to find out the reason. This article refers to the H-P filtering method, the cycle is divided on the 1978-2011 monthly CPI data, found that since the reform and opening up, the CPI has experienced seven volatility cycles, moreover, the characteristics and causes are different between previous fluctuations, so analyzing characteristics of the previous CPI fluctuation cycle has a very important significance on maintaining the stability of the price level in the future and making the correct macro-control policy.