Christine Lagarde has given the European Central Bank’s formal answer to the question of whether the AI borrowing wave is raising governments’ funding costs, and for now the answer is no. In a letter to MEPs Eero Heinäluoma and Jonás Fernández dated November 6, the ECB President wrote that the bank is closely monitoring AI related financing for its implications for monetary policy transmission and financial stability, but that the evidence available so far does not indicate any significant spillover from euro denominated bond issuance by hyperscalers to the funding rate of EU governments.
The detail matters for sovereign borrowers. Large scale hyperscaler issuance has increased the borrowing costs of the companies themselves in both dollar and euro markets, Lagarde wrote, but ECB analysis points to only small and temporary effects on the timing and pricing of similar corporate issuance and no significant impact on government bond yields. Euro area investors have absorbed the new supply smoothly while also increasing their sovereign bond holdings, which she attributed in part to a deeper and more diversified euro corporate bond market. The timing is direct: Meta Platforms filed this week for 9 billion euros of euro notes in six tranches out to 2065, covered on this site on November 7.
The reassurance comes with two riders. First, AI related issuance is still at an early stage and is expected to grow substantially over the coming years as a broader range of firms beyond the hyperscalers borrows, and the impact of that supply on euro bond markets and yield levels remains uncertain. Second, the best protection against spillovers, in the ECB’s view, sits with governments: sound public finances, credible medium term fiscal strategies and sufficient fiscal buffers, complemented by completing the savings and investments union so that Europe’s savings can fund both private AI investment and public borrowing.
On financial stability, the letter describes a debt build up increasingly routed through off balance sheet lease and purchase commitments, circular financing arrangements between firms in the AI ecosystem, and private equity and private credit. Equity valuations and the sustainability of the rising AI debt could come under pressure if revenues fall short, Lagarde wrote, but euro area entities’ exposure to AI related debt remains low for now, so an adverse shock would reach the euro area mainly through falling equity valuations and market contagion rather than through direct credit losses.