Figure 9: Contributions of data, coverage and methods changes to the revision to current price GDP, pre-Blue Book 2014 estimates compared with indicative Blue Book 2015
Source: Office for National Statistics
Other’ includes the removal of the statistical discrepancy in BB14 and changes relating to insurance and narcotics in BB15. ‘Coverage’ includes the BB14 changes relating to illegal activities, research & development, and weapons. ‘Methods’ includes a number of changes in both BB14 and BB15: in BB14 the changes relating to Financial Intermediation Services Indirectly Measured (FISIM) and pensions are the most significant; in BB15 all changes were ‘methods’ changes apart from the incorporation of new data and insurance and narcotics, with the changes relating to exhaustiveness the most significant. ‘Data’ includes Review of NPISH units, GFCF and other changes (assumed to be ESA95) from BB14, and the new data changes in BB15.