The UK government's borrowing costs skyrocketed by £7.3 billion on Monday afternoon, following Prime Minister Andy Burnham's comments about leveraging "flexibility" within existing fiscal rules. This unprecedented surge in borrowing costs has left investors and economists scrambling to assess the implications for the UK economy.
Burnham addressed reporters, stating his intention to utilise available room within the current self-imposed spending rules. "I've already said we'll stick to the fiscal rules," he clarified, "and by that I mean the existing fiscal rules and use obviously any flexibility within them." The Prime Minister further stressed that this approach was not about taking risks with the economy.
The remarks triggered a sharp sell-off in government debt, particularly among longer-duration gilts. The 10-year gilt yield climbed by eight basis points to break the five per cent mark for the first time this week, while interest on the 30-year gilt rose by nine basis points to reach its highest level since the peak of the Middle East conflict.
Adding to market unease was Burnham's decision to remove Rachel Reeves from her position as Chancellor of the Exchequer. Shabana Mahmood is widely reported to be her likely successor. The fall in gilt prices, which move inversely to their yields, underscores the challenging economic tightrope facing the new Prime Minister, particularly with historically high borrowing levels and persistent inflation contributing to higher UK borrowing costs compared to other G7 economies.
Economists and market strategists have noted emerging signs of nervousness. Neil Wilson, a strategist at Saxo Markets, observed that the market had shown "some emerging signs of nervousness about the mood music four hours into the new regime," highlighting concerns over the perceived "lurch to the left" and "big spending vibes." This sentiment was reflected in traders offloading sterling, with the pound reversing gains made against the dollar last week, falling by 0.2 per cent.
Earlier on Monday, Burnham was confirmed as the UK's new Prime Minister, succeeding Keir Starmer, who stepped down after Burnham's election as Labour leader on Friday. In his inaugural speech, Burnham pledged to construct a "new economy" characterised by increased public control over "life's essentials," promising to deliver "the biggest changes in the last 40 years" and a "new political settlement."