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Changing the Classification for the RPI
Description of a new Classification System for the Retail Prices Index, using the Classification by Individual Consumption by Purpose (COICOP), an internationally agreed classification system for consumer expenditure and prices.
The new Classification System for the Retail Prices Index has been designed to combine the changes needed to update the current system with a move to the Classification by Individual Consumption by Purpose (COICOP), an internationally agreed classification system for consumer expenditure and prices. The advantages of the new classification system are a higher consistency of ONS indicators and an improved breakdown by area of consumption. Goods and services indexes will continue to be published and there will be no impact on the values of the all items RPI, RPIX, RPIY or the Rossi Index.
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