Rachel Reeves is facing mounting pressure from the Tony Blair Institute to shift her focus from merely balancing the books to making bold investments that can drive long-term economic growth in the UK.
As the chancellor prepares to unveil the results of her highly anticipated spending review next week, Blair’s think tank has urged her to make “tough choices” that prioritize modern infrastructure and technological advancement, rather than succumbing to traditional fiscal caution.
According to the Tony Blair Institute (TBI), Reeves’ decisions in the review will be a litmus test for how committed the new Labour government is to delivering on its growth agenda. Both Prime Minister Keir Starmer and Chancellor Reeves have repeatedly stated that improving living standards and driving national prosperity are their “number one” goals in office.
However, Ms Reeves has come under pressure from economic experts and government insiders who say rising costs, coupled with global factors such as President Donald Trump’s revived trade war, may force her to raise taxes or cut public spending, despite her firm pledge not to do so.

On Wednesday, Reeves reaffirmed her position, stating the review is “fully costed and fully funded” and that no new tax increases would be required. But sceptics, including the Resolution Foundation, warn that trimming vital public services may be the only route left to accommodate rising demands in defence, healthcare, and social welfare.
AI Investment Key To Public Sector Reform
In a detailed policy analysis, the Tony Blair Institute argued that Reeves must look beyond fiscal balance sheets and instead act decisively to fund new solutions in areas like green innovation, artificial intelligence, and healthcare reform. It recommended creating a new NHS body focused on preventative medicine and increased adoption of AI across government services.
Sam Sharps, executive director for policy at TBI, stressed that the upcoming review should not be reduced to simple account balancing.
“Next week’s spending review cannot just be an exercise in balancing the books. While tough choices will be necessary, making the right ones will be essential.”
Sam Sharps
Sharps argued for the creation of a “smarter, more integrated and more responsive digital state”, noting that AI could “free up staff time, improve service quality, and reduce long-term costs across public services.” But he cautioned that such benefits are only achievable with “serious investment in infrastructure, capability, and coordination.”
According to TBI’s estimates, investing £4 billion annually in AI across the public sector could generate £11 billion in net annual savings by the end of the current Parliament, with potential savings reaching £40 billion by 2040.
“Even in tough times, there is scope to do a lot. Applied in the right way, government spending can provide the tools to build a stronger economy, better public services, and a healthier, more productive country.”
Sam Sharps
Next week’s review will outline the UK’s departmental budgets up to 2030. It will cover day-to-day spending for the next three years, as well as investment allocations for the next four. All eyes will be on whether Reeves can balance fiscal restraint with the ambition to modernise Britain’s economy.
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