CPI是衡量一个国家或地区在某一时期内居民消费商品和服务价格水平变化的经济指标,也是制定财政货币政策、调整工资和福利条件的重要依据。计算CPI时,需要使用权数对消费商品和服务的价格变动进行加权计算,权数的质量直接关系到CPI的质量。做好权数编制工作,提高权数数据质量,是CPI编制工作中不可回避的重要课题。 CPI is a measure of a country or region during a certain period of consumer prices of goods and services to change the economic indicators, but also the formulation of fiscal and monetary policy, an important basis for adjusting the conditions of wages and benefits. CPI calculation, the need to use the weight of consumer goods and services price changes weighted calculation, the weight of the quality of a direct relationship to the quality of CPI. It is an unavoidable important task in the work of CPI to do a good job in the preparation of weights and improve the quality of weights.