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Decomposing the Retail Sales Index implied price deflator and the CPI
Examines the relationship between the two measures, highlighting
contributions of different products to differences in growth rates over time
Economic & Labour Market Review, vol 2, no 5, pp 35. ISSN: 1751-8334
This article examines the relationship between the implied price deflator derived from the Retail Sales Index and the change in prices calculated from a comparable price index constructed using components of the consumer prices index (CPI). A decomposition approach is used to highlight the contribution of different products to the difference in growth rates over time.