Data linkage to shine new light on UK labour market Data from surveys and from âadministrativeâ sources â such as tax data â can both offer important insight. Recently the ONS has been advancing its work on âdata linkageâ, which allows the information from different data sources to be combined to create new economic indicators. In a blog today Christina Palmou writes about how the linking of ONS of business survey records with PAYE data from HMRC is helping to create a richer picture of the UK labour market. | 