An Overview of Experimental U.S. Consumer Price Indexes
介绍美国劳工统计局为评估CPI差异而构建的实验性价格指数，包括针对老年人和穷人的指数，以及几何平均和超级指数，这些指数偏离了传统的固定市场篮子概念。
The Consumer Price Index (CPI) has come under intense scrutiny in recent years. To help assess potential differences between what the CPI measures and how it is used for various purposes, the Bureau of Labor Statistics has created a series of experimental price indexes. This article contrasts how the CPI is currently constructed with those experimental indexes. Specifically, experimental CPPs have been constructed for two population groups, older Americans and poor Americans. In addition, experimental geometric-mean and superlative indexes have been developed that move the CPI away from its traditional “fixed-market-basket” concept.