Consumer Price Indices in the UK
نویسنده
چکیده
Overall, taking account of both coverage and formula effect differences and within the limitations of how price data is collected within the UK, the Retail Prices Index (RPI) is as good a consumer price index as one can get for uprating purposes. The systemic difference between the RPI and the Consumer Prices Index (CPI), currently (2015) running at 1.0 percentage points per annum, results predominantly from under-estimation by the CPI.
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