Provision of Household Expenditure Data

The consumer price indices are compiled by weighting together product or item level price data in a way that reflects UK consumer spending patterns. In order to achieve this, detailed consumer spending figures are required at a suitably disaggregated level for lower-level item weights to be constructed without the need for arbitrary decisions. In order to compile the consumer price indices, information is required on the annual expenditure on different groups of products at multiple and independent stores. This ena...