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

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

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

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