摘要
消费者价格指数(CPI)与生产者价格指数(PPI)是相互联系并有显著区别的概念。两者之间的因果关系或非因果关系有多种可能情形。本文对中国消费者价格指数(CPI)和生产者价格指数(PPI)2001年1月至2008年7月数据的格兰杰因果检验结果显示,在所考察时期内,消费者价格指数是生产者价格指数变动的格兰杰原因,后者经过1—3个月左右的时滞对前者的变动作出反应。这个结果很可能意味着,在所考察时期内,在影响以消费者价格指数(CPI)来衡量的国内通货膨胀中,需求方面的因素相对大于供给方面的作用,尽管需求因素和供给因素都共同地影响了国内通货膨胀的走势。
The consumer price index(CPI) and the producer price index (PPI) are interrelated concepts, and they have certain differencing elements. The two indexes have various different causality or non-causality relationships in principle. The paper conducts a Granger-causality examination on Chinese data of CPI and PPI for the period from January 2001 to August 2008, and finds a result that PPI responded to the change in CPI with a time lag of 1-3 months. The result may suggest that the demand-side factors have played a more important role than supply-side factors in cPI inflation in contemporary Chinese economy.
出处
《经济研究》
CSSCI
北大核心
2008年第11期16-26,共11页
Economic Research Journal