Quality management in the UK Retail Prices Index

This paper outlines the approach used by the UK Central Statistical Office (CSO) in introducing quality management into the production of the UK Retail Prices Index. It specifically focuses on the key developments to date: the introduction of probability sampling, computer-assisted data capture, local price collection auditing and sampling errors estimation. The views expressed in the paper are those of the author and do not represent an official statement by the CSO.