The current surge in AI spending, often fueled by debt, is pushing up equity markets and stimulating trade, which creates immediate inflationary pressure. While these investments in data centers and chips mimic an overheating economy, they are intended to eventually expand productive capacity and lower prices. The central bank umbrella group warns that because the timing and scale of these productivity gains remain unpredictable, policymakers struggle to distinguish between temporary investment spikes and structural economic shifts.

This uncertainty is compounded by the uneven global impact of AI adoption. Nations dominating the semiconductor and computing infrastructure supply chains are positioned for stronger growth, while others risk falling behind, leading to fragmented inflation trajectories across jurisdictions. Furthermore, the rapid rise in AI-linked asset prices risks creating wealth effects that sustain consumption, potentially masking underlying demand pressures. To avoid policy miscalibration, the BIS suggests that regulators must isolate lasting productivity improvements from the noise of the current investment cycle.