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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 timeThis 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. A decomposition approach is used to highlight the contribution of different products to the difference in growth rates over time. Economic & Labour Market Review (2008) 2, 35–39; doi:10.1057/elmr.2008.74

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