National Accounts articles: Blue Book 2014 and Blue Book 2015 revisions analysis and impact

An explanation of the reasons for UK GDP revisions and our revisions performance, including the effects of the introduction of the European System of Accounts (ESA) 2010 in September 2014 and the completion of the remaining ESA 1995 Gross National Income (GNI) reservations, some in September 2014 as part of Blue Book 2014 and the remainder in September 2015 as part of Blue Book 2015.