The Institute for Fiscal Studies’ director Helen Miller called on the Chancellor to be more ambitious about measures to boost growth.

Rachel Reeves shied away from meaningful reforms which could “move the dial” on economic growth, a leading think tank has said.

The Institute for Fiscal Studies’ (IFS) director Helen Miller called on the Chancellor to be more ambitious about measures to boost growth, and singled out reforms to the tax system as a means to do this.

The warnings comes after the Office for Budget Responsibility (OBR) downgraded its medium term growth forecasts in its Budget analysis.

The budget watchdog forecast gross domestic product would grow by 1.5% this year, an increase from its earlier 1% forecast.

But it downgraded growth in 2026 from 1.9% to 1.4%, in 2027 from 1.8

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