Central bankers warn AI investment boom could keep borrowing costs higher

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AI investment may raise borrowing costs

Highlights

Central bankers at IMF and World Bank meetings in Bangkok warn that massive AI investment is boosting competition for capital and keeping borrowing costs higher.
Officials from the Federal Reserve, ECB, Bank of England, and Bank of Japan say AI-driven demand is raising the neutral rate and could lead to persistently higher policy rates.
The euro zone, especially France, faces greater fiscal risk as global sovereign bond yields reach pre-2008 levels, with much AI investment concentrated in the U.S., Japan, and Asia.

Bangkok talks highlight capital demand pressures

As reported by Reuters, central bankers gathering for the International Monetary Fund and World Bank annual meetings in Bangkok say the AI boom is intensifying competition for capital and complicating the outlook for monetary policy.

Federal Reserve Chair Kevin Warsh says central banks need to treat the trend as a demand shock because AI-related investment is hitting the economy before the supply-side benefits become visible. He says the U.S. is benefiting from a broadening investment surge, but warns the transition could be uneven as investors, companies and policymakers try to judge a technology whose eventual winners remain uncertain.

ECB policymaker Martins Kazaks tells Reuters that there is a global fight for money, with AI investment acting as a key driver of the rising cost of capital. South African Reserve Bank Governor Lesetja Kganyago says policymakers can see that the neutral rate, or R-star, is higher, even if its precise level remains difficult to estimate, while Bank of England Chief Economist Huw Pill says rates may settle somewhat higher on average.

The Bank of Japan has already pointed to AI-related demand as one factor behind its recent rate increases. Economists expect the Bank of England to raise rates at its November 5 meeting, while the ECB and the Fed both raised rates in September and markets are pricing in another move in December.

Fiscal strains and regional risks come into focus

The prospect of structurally higher borrowing costs is creating a fresh challenge for governments that accumulated large debt loads when interest rates were near zero. Sovereign bond yields are rising globally, with some reaching levels in recent weeks not seen since before the 2008 financial crisis.

Officials say the risks are not evenly distributed. The euro zone, particularly highly indebted France, is seen as more exposed because much of the AI-led investment wave is concentrated in the U.S., Japan and other parts of Asia, while Europe also faces elevated energy costs linked to the wars in Iran and Ukraine.

ECB President Christine Lagarde says France is a clear case where domestic fiscal policy must be the first line of response. The debate marks a broader shift from the post-crisis era, when central banks worried about excess savings and weak inflation, to a period in which demand for capital itself is becoming a source of inflation and market volatility.

Our earlier article on Mario Draghi’s warning about the policy trade-off between inflation control, debt sustainability and long-term growth explained why keeping rates above growth for too long can worsen debt dynamics and raise borrowing costs. It also argued that central banks should fight inflation while avoiding unnecessary damage to productive investment, with Europe needing complementary measures—such as deeper EU market integration and targeted support for AI-related investment—to protect productivity and resilience.

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