价格指数的质量调整方法及决策过程

Quality Adjustment and Decision-making Process of Price Index

要使所计算的价格指数只反映纯价格变动,需要对调查项目进行质量调整。质量调整的主要方法有显式质量调整和隐式质量调整。进行质量调整首先需判断项目的规格特征是否发生了变化,进一步判断项目质量是否发生了变化,然后再选择具体的质量调整方法。

To make the price index reflect only pure price changes, it needs the project of quality adjustment. The primary means of quality adjustment is explicit method and implicit method of quality adjustment. To adjust the quality, it first needs to determine whether the characteristics of specifications of the project changes, and then to determine whether the quality of the project changes, and then select the specific quality adjustment methods.