Journal of Official Statistics, Vol.21, No.4, 2005. pp. 675–699
Price Indexes for Elementary Aggregates: The Sampling Approach
Bert M. Balk
Abstract:At the lowest level of aggregation of a CPI or PPI quantity information is usually unavailable and matched samples of prices must be used for the index computation. Familiar indexes at this level of aggregation are those of Dutot, Carli, and Jevons. An important, yet often overlooked characteristic of these and similar indexes is that they are sample statistics, whose properties can be studied from the sampling point of view. This article provides a systematic study of this topic and concludes with a number of recommendations for statistical practice.
Keywords:CPI, PPI, elementary aggregate, price index
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