Leading economists are calling on Chancellor Rachel Reeves to reconsider her fiscal policies as she prepares to address increasing spending pressures in her upcoming spring statement, scheduled for later this month.

These recommendations come in light of anticipated downward revisions to the UK’s economic forecasts by the independent Office for Budget Responsibility (OBR), expected to be released on 26 March, which may eliminate the budgetary leeway that Reeves has to adhere to her established fiscal rules.

According to Treasury sources, Reeves is resolute in her intention to implement spending reductions, particularly in welfare, despite dissent from within her own party regarding this approach.

This follows her introduction of a £40 billion tax increase in her budget released in October.

Reeves’s fiscal framework permits government borrowing for investment but requires her to align day-to-day expenditures with tax revenues.

Additionally, one rule mandates that public debt must decline by the end of the forecast period.

Reeves has adopted a broader interpretation of 'debt' compared to her predecessors, allowing for greater borrowing potential to finance long-term infrastructure projects.

The Chancellor recently asserted a commitment to controlling welfare expenditure, emphasizing the need for increased investment in national defense and reforms to public services and welfare systems, as stated in comments made to broadcasters.

In contrast, some economists advocate for a different approach.

David Blanchflower, a professor of economics at Dartmouth College and former Bank of England policymaker, has stated that alternatives exist that would not unsettle the financial markets.

He highlighted the current environment of fluctuating exchange rates and unclear tariff rules, suggesting a necessity to prioritize pressing economic issues over stringent adherence to fiscal rules.

Michael Jacobs, a professor at the University of Sheffield, noted that the evolving geopolitical landscape necessitates flexibility in fiscal policy.

He pointed out that Reeves may need to reconsider her fiscal rules in light of altered national security needs, particularly with the US's shifting stance on European defense.

In a recent speech, Labour leader Keir Starmer announced plans to increase defense spending to 2.5% of GDP by 2027, funded by significant reductions in the overseas aid budget.

The resignation of development minister Anneliese Dodds, in protest against these measures, highlighted internal disagreements regarding fiscal strategies related to defense.

Starmer has additionally pledged to further raise defense spending to 3% of GDP, although a timeline for this increase has not been established.

Economists remain skeptical about whether such spending can be accommodated within Reeves’s existing fiscal framework without imposing severe cuts to other areas.

Jacobs proposed that Reeves might need to exempt defense spending from her fiscal rules, similar to approaches taken by Germany, suggesting the introduction of “security bonds” that encourage public investment in national defense.

Economist Benjamin Caswell from the National Institute of Economic and Social Research expressed support for the prospect of excluding defense spending from fiscal constraints, suggesting the current geopolitical context would render such a decision more palatable to investors compared to previous tax cuts.

Danny Sriskandarajah, chief executive of the New Economics Foundation, argued that fiscal rules are often arbitrary and in need of revision, implying that tax increases may become necessary to balance defense needs alongside societal demands stemming from an aging population.

Similar sentiments were echoed by Alfie Stirling, chief economist at the Joseph Rowntree Foundation, who underscored the inevitability of adjustments to fiscal policy in light of demographic pressures on public services.

Jo Michell, a professor at the University of the West of England, voiced concern over prospective tax increases as an eventual outcome of current fiscal challenges.

Conversely, Paul Johnson, director of the Institute for Fiscal Studies, cautioned that the existing fiscal rules may already be operating at the limits of reasonableness, noting rising gilt yields that indicate increased market trepidation regarding government debt.

As Chancellor Reeves approaches her spring statement, the interplay between defense spending, welfare cuts, and overall fiscal strategy continues to present complex challenges.