GDP数据修订对平减指数的影响

How Does GDP Data Revision Affect Its Deflator

GDP平减指数与居民消费价格指数和固定资产投资价格指数有着密切的对应关系。GDP数据的修订有可能引起GDP平减指数发生变化。当居民消费价格指数和固定资产投资价格指数不变时,GDP平减指数的变化有可能不合理,本文分析了引起不合理的原因。

GDP deflator has a close relationship with Consumer Price Index （CPI） and Investment in Fixed assets Price Index （IFPI）. The revision of GDP data may bring the changes of GDP deflator. The changes of GDP deflator may be illogical when CPI and IFPI are unchanged. This paper analyzes the reason that causes such illogicality.