Scanner Data Price Indexes: Addressing Some Unresolved Issues

Melser, D 2018, 'Scanner Data Price Indexes: Addressing Some Unresolved Issues', Journal of Business and Economic Statistics, vol. 36, no. 3, pp. 516-522.


Document type: Journal Article
Collection: Journal Articles

Title Scanner Data Price Indexes: Addressing Some Unresolved Issues
Author(s) Melser, D
Year 2018
Journal name Journal of Business and Economic Statistics
Volume number 36
Issue number 3
Start page 516
End page 522
Total pages 7
Publisher Taylor & Francis Inc.
Abstract Scanner data are increasingly being used in the calculation of price indexes such as the CPI. The preeminent approach is the RYGEKS method (Ivancic, Diewert and Fox 2011). This uses multilateral methods to construct price parities across a rolling year then links these to construct a nonrevisable index. While this approach performs well there remain some unresolved issues, in particular; the optimal window length and the linking method. In this note, these questions are addressed. A novel linking method is proposed along with the use of weighted GEKS as opposed to a fixed window. These approaches are illustrated empirically on a large scanner dataset and perform well.
Subject Business Information Management (incl. Records, Knowledge and Information Management, and Intelligence)
Keyword(s) Consumer price index (CPI)
Multilateral indexes
Scanner data
Weighted GEKS
DOI - identifier 10.1080/07350015.2016.1218339
Copyright notice © 2018 American Statistical Association
ISSN 0735-0015
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