A Newly Identified Source of Potential CPI Bias

Weekly versus Monthly Unit Value Price Indexes

Journal article (2016)

Authors

EW Diewert University of British Columbia, University of New South Wales
K.J. Fox University of New South Wales
J. de Haan OLD Housing Systems
Research Group
OLD Housing Systems
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Published Date

2016

Language

English

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Research Group

OLD Housing Systems

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.