Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleThe Office for Budget Responsibility (OBR) is set to significantly reduce its estimates for productivity in the economy, which will lead to even lower economic growth.This revision will likely necessitate tax increases for Chancellor Rachel Reeves to balance the books, as it will lead to a larger budget deficit by 2030. The news comes at a challenging time for Ms Reeves, ahead of a Labour Party conference and her crucial Budget in November, putting pressure on manifesto commitments. Ms Reeves is attempting to attribute the downgrade to 14 years of Conservative government and the OBR's previously “over optimistic” estimates, though OBR sources state the revision is not due to current government measures. Economists largely agree Ms Reeves is not to blame for the long-term productivity issue, but warn she will still need to implement tax rises to address the growing fiscal gap. In fullBudget blow for Reeves as UK’s key economic forecast slashedThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

Rachel Reeves may have to find up to £30bn in tax rises or spending cuts if forecaster revisits expectations

Exclusive: Budget watchdog is set to downgrade a key economic performance indicator for the UK in a move that could drive tax hikes – as chancellor tries to shift blame on to…