A Newly Identified Source of Potential CPI Bias

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A Newly Identified Source of Potential CPI Bias

Weekly versus Monthly Unit Value Price Indexes

Journal Article (2016)

Author(s)

EW Diewert (University of British Columbia, University of New South Wales)

K.J. Fox (University of New South Wales)

Jan de Haan (TU Delft - OLD Housing Systems)

Aggregation Inflation Elementary price indexes

DOI related publication

https://doi.org/10.1016/j.econlet.2016.02.022 Final published version

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https://resolver.tudelft.nl/uuid:33f8e6f9-41e2-45b0-aba2-6e86af2172dd

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Publication Year

2016

Language

English

Volume number

141

Pages (from-to)

169-172

Downloads counter

171

Abstract

We find that unit value prices used for constructing the CPI should be for the same period as the index to be constructed, rather than for a sub-period. The latter approach can lead to an upward bias in the CPI.