UK borrowing surges, leaving the government facing tough tax rises or spending cuts if it aims to stick to its fiscal targets

The UK’s budget deficit has ballooned as tax revenue growth struggles to keep pace with government spending commitments, forcing Rachel Reeves to confront a sharp rise in borrowing that threatens the public finances. With public-sector net borrowing hitting a five-year high in September and the current-budget deficit now up substantially year-on-year, the Chancellor faces the classic economic trade-off: either boost tax take or pull back on spending to restore fiscal balance. As inflation nudges income into higher tax bands (lifting revenue) yet also pushes interest obligations upward, the government must tread carefully between austerity and sustainable growth.

Reeves has mountain to climb in budget after borrowing rise | Government borrowing | The Guardian

1. What factors could have caused government tax revenue to grow more slowly than government spending, leading to a higher budget deficit?

2. Explain how both automatic stabilisers and discretionary fiscal policy might contribute to the UK’s rising budget deficit during periods of weak economic growth.

3. To what extent should the UK government prioritise reducing its budget deficit over maintaining public spending, given potential long-term effects on economic growth and fiscal sustainability?