Weights for Democratic Regional Consumer Price Indices

Martin Weale and Andrew Aitken

Discussion Papers from Economic Statistics Centre of Excellence

Abstract: This paper examines the reliability of regional democratic consumer price indices. The focus on the production of regional weights and the standard error of regional measures of price inflation arising from uncertainty in the regional weights. Issues in the use of modelling techniques applied to expenditure shares are discussed and it is shown that fixed effects methods may be preferable to random effects techniques. The use of small area techniques with mean log household income used as a covariate is compared with purely data-based measures, and it is found that the use of a covariate does not generally result in an increased level of accuracy.

Keywords: Democratic price index; Regional price indices; Small area modelling (search for similar items in EconPapers)
JEL-codes: C21 C43 R19 (search for similar items in EconPapers)
Date: 2023-08-03
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Persistent link: https://EconPapers.repec.org/RePEc:eoe:escoed:escoe-dp-2023-15

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