UK's Public Sector Productivity Stagnation: The £50bn Oversight

A Labour government grappling with fiscal constraints would rather not hear what economist Paul Ormerod has to say. His thesis is politically toxic: Britain's cost of living squeeze stems not from wealth hoarding at the top, but from nearly three decades of flat public sector productivity. The contrast with private sector efficiency gains over the same period is stark.

According to ONS figures, public sector productivity in 2024 sits roughly where it was in 1997. Ormerod, an honorary professor at Manchester's Alliance Business School, calculates that even a modest 10 per cent improvement since Tony Blair's election would generate £50bn annually in fiscal headroom. That alone would have eliminated the need for Rachel Reeves's various employment taxes and threshold freezes announced since Labour took office in July 2024.

The timing cuts deep. Hannah Spencer's victorious Gorton and Denton campaign leaned heavily on the narrative that working people are "lining the pockets of billionaires" rather than building decent lives. The message echoes Corbyn's 2017 near-miss, tapping into real wage stagnation that has persisted since the financial crisis, particularly for lower-skilled workers. Per capita GDP growth has been essentially nil since the end of 2019.

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The £50bn question

Ormerod's productivity dividend sounds appealing. One-third of one per cent efficiency gains annually over 27 years hardly seems ambitious. Yet the calculation deserves scrutiny that the original argument doesn't provide.

The figure lacks methodological detail. What proportion of government spending does this apply to? How does Ormerod arrive at £50bn specifically? Transfer payments like pensions and benefits don't involve productivity in the traditional sense.

The measurement problem runs deeper than Ormerod admits. Education output cannot be quantified like widget production, and healthcare productivity depends on whether you count procedures performed, patients treated, or quality-adjusted life years gained.

This doesn't mean the core observation is wrong. But it does mean the precision of "no productivity gains in three decades" overstates what the data can actually tell us. The private sector productivity figures don't face the same measurement challenges because market prices provide clear signals.

Reform without detail

The substantive weakness in Ormerod's argument is the absence of specific reform proposals beyond a glancing reference to railway restrictive practices. Identifying the problem is useful. Solving it requires understanding where inefficiencies actually lie.

Labour's July 2024 train driver settlement offers a case study. Ormerod suggests the pay deal should have been contingent on unwinding restrictive practices. But the government's calculation presumably weighed the economic cost of continued strikes against the political capital required to force through operational changes that unions would fight bitterly.

What's interesting here is that both left and right agree the public sector has performance issues. They simply diagnose different causes. The left points to austerity, underfunding, and workforce demoralisation. The right identifies structural inefficiency and protected interests.

Service-heavy sectors face inherent efficiency constraints that manufacturing does not. A teacher cannot educate twice as many students to the same standard. A social worker cannot handle double the caseload without outcomes suffering. Some efficiency gains come from technology and process improvements.

The politics of productivity

The political implications matter as much as the economics. If Ormerod is correct, then the entire progressive policy agenda focused on wealth redistribution addresses a secondary issue. Taxing billionaires might satisfy a sense of fairness, but it won't generate the fiscal capacity that public sector reform could unlock.

Arguing for public sector reform means confronting unions that form the party's financial and organisational backbone. Blaming billionaires is politically costless by comparison.

The British public sector employs roughly 5.8 million people. Many work in genuinely demanding roles for modest pay. Telling them their productivity hasn't improved in 27 years invites a hostile reception, regardless of whether the statistics support the claim. The workforce would reasonably respond that chronic underfunding, not idleness, explains any efficiency gap.

The debate ahead will determine whether Britain can fund improved public services without perpetual tax increases. Ormerod's framework suggests meaningful efficiency gains remain possible. But translating that possibility into actual reform requires specificity that his argument currently lacks. Which departments? Which processes? What evidence suggests particular interventions would work?

The Gorton and Denton result suggests voters are more receptive to messages about billionaires than about bureaucratic inefficiency. Labour's spending review will reveal whether the government believes its own rhetoric or quietly accepts Ormerod's diagnosis. The fiscal arithmetic hasn't changed. Finding £50bn annually through productivity improvements would indeed transform the cost of living equation.

More articles by Ross Williams