Marcus Ashworth, Columnist

Labour’s Leaders Are Stalked by Bond Vigilantes

Nothing risks derailing Britain’s new government quicker than problems in the gilt market.

A legacy of former UK Prime Minister Liz Truss, shown here speaking in the US, is a skittish gilt market.

Photographer: Anna Moneymaker/Getty Images North America
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Of all the problems Labour Chancellor of the Exchequer Rachel Reeves inherited from the Tories — health and housing, to name just two — there’s one that can undermine her entire agenda: a skittish and apprehensive bond market.

Investors are charging the UK under the Labour government more to borrow than they demand from the US, a relatively rare historical anomaly. A third of the way through the fiscal year, government borrowing has already overshot Office for Budget Responsibility projections by £13 billion ($17 billion). This is not just driven by higher spending but also worryingly a lower tax take — even though first-half growth was the highest in the Group of Seven. OBR growth forecasts are already much higher than economists' consensus, putting Reeves in a tight spot.