Exclusive: Fiscal watchdog predicts productivity downgrade will leave chancellor with £20bn gap to fill in budget

The OBR is understood to have downgraded the UK's productivity level in early Budget forecasts

A downgrade in the productivity figures could leave Reeves with a bigger fiscal gap

I don’t pretend the choices will be easy, but my budget has one focus: to invest in building a better future for everyone, says UK chancellor Rachel Reeves

Exclusive: Fiscal watchdog predicts productivity downgrade will leave chancellor with £20bn gap to fill in budget

The OBR is expected to deal the chancellor a further blow in November by downgrading its productivity forecasts for the economy

The chancellor says investment is the answer to boosting the UK's productivity performance.