The current consensus surrounding regional infrastructure investment in the UK is broken. Commentators and local leadership are lining up to demand that Greater Manchester Mayor Andy Burnham utilize "fiscal flexibility" to kickstart a wave of public investment. The narrative is comforting: if you change the accounting definitions, relax the borrowing rules, and reclassify debt as an asset, prosperity will follow.
It is a fantasy.
The idea that bending fiscal constraints is a risk-free engine for growth ignores the mechanics of modern public finance. True economic development does not happen because a local authority found a clever loophole in a balance sheet. It happens when capital is allocated efficiently to projects with a clear, measurable return. Treating relaxed borrowing limits as a magic wand is a dangerous distraction from the structural reforms the regional economy actually needs.
The Illusion of Free Capital
The central argument for expanding local fiscal headroom relies on a fundamental misunderstanding of debt. Proponents argue that borrowing to invest is entirely different from borrowing to fund day-to-day spending. While the underlying intent differs, the credit market views them through a remarkably similar lens.
Every pound borrowed by a combined authority, regardless of its classification, carries an interest obligation. When regional authorities scale up their debt issuance based on relaxed fiscal rules, they enter a crowded market. They are competing with central government debt and international issuers.
Imagine a scenario where Greater Manchester expands its balance sheet by £5 billion overnight under the guise of "flexible investment." The interest payments on that debt do not vanish. They become a fixed, non-negotiable line item in future budgets. If the projects funded by this capital fail to generate a direct economic yield that exceeds the cost of borrowing, the taxpayer is left holding the bill.
I have watched public sector entities blow hundreds of millions on vanity transport links and under-utilized innovation hubs based on the flawed assumption that any public investment is good investment. It isn't. Bad capital allocation is worse than no capital allocation because it locks up resources that could have been deployed productively by the private sector.
The Local Government Debt Trap
The push for fiscal flexibility ignores the recent history of municipal finance in the UK. Over the last decade, several local authorities attempted their own versions of creative financial engineering. They used cheap loans from the Public Works Loan Board (PWLB) to buy commercial property, retail parks, and green energy ventures, convinced they could outsmart traditional market dynamics.
The results were catastrophic.
Councils like Thurrock, Woking, and Croydon faced effective bankruptcy because their "investments" failed to yield the projected returns while their debt obligations remained fixed. While a combined authority operates on a larger scale, the underlying math is identical.
+-----------------------------------+-----------------------------------+
| Flexible Fiscal Myth | Hard Market Reality |
+-----------------------------------+-----------------------------------+
| Relaxing rules unlocks "free" | Debt always requires repayment, |
| investment capital. | shifting risk to future budgets. |
+-----------------------------------+-----------------------------------+
| Public infrastructure spending | Capital spent on low-yield projects|
| automatically generates growth. | crowds out private investment. |
+-----------------------------------+-----------------------------------+
| Local states can accurately price | Public bodies routinely over- |
| commercial risk over decades. | estimate long-term project value. |
+-----------------------------------+-----------------------------------+
When you lower the bar for what qualifies as acceptable debt, you naturally lower the scrutiny applied to the projects themselves. Bureaucrats are historically poor at pricing risk. When they manage other people's money under relaxed rules, that risk pricing degrades entirely.
What the Advocates Get Wrong About Regional Growth
People frequently ask: How else can regions close the productivity gap with London without aggressive public borrowing? The premise of the question is flawed. It assumes that a lack of public cash is the primary bottleneck to growth. It isn't. The real bottleneck is a combination of restrictive planning laws, a lack of specialized skills, and a regulatory environment that scares away private institutional capital.
The UK's planning system is an economic straightjacket. You can give a regional mayor tens of billions in borrowing capacity, but if it takes seven years of consultation, legal challenges, and environmental impact assessments to lay a single mile of track or build a lab space, that capital sits idle, eroding in value due to inflation.
True economic intervention means tackling the supply-side barriers that make investment prohibitively slow and expensive.
- Deregulate regional planning zones: Give developers clarity and speed instead of subsidizing them with public debt.
- Focus on skills matching, not monuments: Businesses move to areas with concentrated talent pools, not areas with flashy, under-occupied civic buildings.
- Create genuine co-investment structures: If a project is truly viable, private infrastructure funds should be eager to take the first-loss equity position. If they won't touch it, the public sector shouldn't either.
This approach is not popular. It requires challenging entrenched political interests and admitting that the state cannot build its way to prosperity through accounting tricks.
The Downside of Discretion
Admitting the risks of this contrarian view is necessary. Relying purely on private capital and supply-side reform means some long-term, socially beneficial projects will not get built immediately. Private investors demand returns, and they will not fund infrastructure that serves a purely social purpose without a clear revenue model.
But this trade-off is preferable to a system where local government over-leverages its balance sheet and faces a fiscal crisis that forces cuts to essential frontline services like social care and waste management.
We must stop treating fiscal rules as arbitrary obstacles designed by bean-counters to halt progress. Those rules exist to protect the taxpayer from the natural tendency of political leaders to spend tomorrow's money on today's photo opportunity.
Greater Manchester does not need a license to print debt. It needs a ruthless focus on removing the barriers that prevent private wealth from building the future. Stop looking to the balance sheet for salvation. Start clearing the path for actual execution.
