No money? Next UK government’s budget is hostage to economy

By William Schomberg

LONDON (Reuters) – Britain’s next government will have little room to cut taxes or increase spending – at least according to bleak forecasts from the country’s budget office.

But if the economy performs only a little better than expected, whoever wins an election expected later this year could have tens of billions of pounds more fiscal flexibility.

Under that brighter scenario, Prime Minister Rishi Sunak’s Conservatives could find it easier to lower the highest tax burden since World War Two while still meeting debt promises.

If the opposition Labour Party takes power, it would have more room to fund its annual 20 billion-pound ($25 billion) net zero investment plan.

Of course, economic forecasting is notoriously inaccurate and the Office for Budget Responsibility (OBR) has proven too optimistic about the economy’s prospects before.

If things go worse than it expects, the next government could face an even tighter budget squeeze.

PARTIES PLEDGE DEBT CUT

The Conservatives and Labour both promise to lower Britain’s public debt burden, mindful of how the huge tax cuts planned by former Prime Minister Liz Truss hammered bond markets in 2022.

Debt is nearly 100% of economic output after massive public spending during the COVID pandemic and the 2022 energy price surge, on top of the heavy costs of the 2008-09 financial crisis.

Tackling debt is harder with the economy stagnating, while demands for public services – such as health spending for Britain’s ageing population – continue to mount.

Finance minister Jeremy Hunt has promised to get debt falling as a share of gross domestic product within five years.

The current forecasts show him meeting that target only narrowly, with less room for manoeuvre than his predecessors.

But that “fiscal headroom” is likely to change, given the range of factors that feed into the OBR’s view. The question is whether the headroom expands or gets even tighter.

THE PRODUCTIVITY WILDCARD

A big wild card is what happens to productivity growth which has slowed, weighing on the economy and tax revenues.

If the government can get productivity growing closer to its pre-2008 pace – 1.5% a year rather than 1.0% as expected by the OBR – the headroom for meeting Hunt’s target would rise to 72 billion pounds in five years’ time, the OBR says.

That would dwarf the current 13 billion-pound estimate and approach the size of Britain’s 82 billion-pound public education budget during this financial year.

But productivity could worsen. Should it grow by only 0.5% a year – in line with the past decade – the government would miss its debt target by more than 40 billion pounds, the OBR estimates, implying tax hikes, more spending cuts or yet more debt.

The OBR has overestimated the chances of a productivity improvement in the past. But corporate leaders say Hunt’s announcement in November that tax incentives for business investment will be made permanent is a step forwards. The rise of artificial intelligence is also raising productivity hopes.

How inflation behaves is another important factor, and not just because of expensive payouts on Britain’s huge stock of index-linked government bonds.

If a future jump in inflation is driven by import prices, chiefly those of oil and gas, the public finances would take a hit, the OBR says.

But if that jump in prices comes from higher wages and company profits, tax revenues would go up, potentially helping bring down debt, although the Treasury would face calls to increase spending to match inflation.

BETS ARE ON INTEREST RATES FALLING

Another big assumption by the OBR is what is likely to happen to interest rates which the Bank of England has raised to a 15-year high of 5.25% to fight inflation.

Britain spent more as a share of GDP on debt interest than any other Group of Seven country except for Italy in 2022, mainly because it sells a lot of bonds linked to inflation.

In November, the OBR forecast net interest costs in three years’ time would be an annual 109 billion pounds, more than double its assumption less than two years earlier.

The government’s debt interest bill looked set to settle about 2% of GDP higher than it used to be, with the difference alone equivalent to the entirety of the defence budget, the Institute for Fiscal Studies think tank said at the time.

But since November, rate expectations have fallen fast.

Investors now see Bank Rate dropping to 4% as soon as December, three years earlier than the OBR assumed.

Carl Emmerson, IFS deputy director, said a fall of one percentage point in Bank Rate and on government bond yields would save the Treasury about 15 billion pounds a year, rising to 19 billion pounds in five years’ time.

To put that into context, Britain spent 12.8 billion pounds on overseas aid in 2022.

“They’re pretty chunky numbers,” Emmerson said.

Hunt may be able to turn some of the fall in expected future debt costs into tax cuts as soon as March 6, when he is due to make probably his final budget statement before the election.

THE RULES KEEP CHANGING

Perhaps the biggest variable of all is what fiscal rules the next government adopts.

While both main parties say they want to bring down debt as a share of GDP, Labour has not been specific about details and the Conservatives, if re-elected, could announce a new rule.

Since 2011, successive Conservative-led governments have introduced six different fiscal rules.

Emmerson said ministers also needed to stop using improvements in the fiscal outlook to cut taxes or raise spending while any deterioration led to more bond sales.

“If whenever things get worse, you end up borrowing more but whenever things look better, you end up giving tax cuts, you’ll always end up borrowing more than you’re forecasting,” he said.

($1 = 0.7868 pounds)

(Graphics by Sumanta Sen; Editing by Catherine Evans)

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