AI Spending Cushion Fails to Stave Off Looming Energy Shock, OECD Warns

According to the interim economic outlook from the Organisation for Economic Co-operation and Development (OECD), substantial capital expenditure in artificial intelligence has provided a modest, unexpected cushion for global economic performance this year. However, persistent energy disruptions linked to ongoing Middle Eastern tensions are increasingly embedding themselves into the macroeconomic landscape, weakening the growth trajectory moving into 2027. Following an expansion rate of 3.4% in the previous year, global output is projected to decelerate to 2.9% in 2026—a minor upward revision from the 2.8% estimated in June. For 2027, the negative pressure from commodity price shocks is anticipated to restrict the recovery to a modest 3.0%, down from the previously projected 3.1%.

Investments targeting AI infrastructure—specifically directed toward semiconductor manufacturing and data center expansion—have served as a primary foundation for economic stability. This technological spending has reinforced domestic growth within the United States while invigorating technology-focused export sectors in nations like Japan and South Korea. Despite these gains, the OECD highlights major vulnerabilities that could severely impact future expansion, including volatile energy markets, extreme weather phenomena driven by El Niño, escalating government bond yields, and potential underperformance on AI capital investments. Should these adverse scenarios occur concurrently, baseline global growth could be reduced by 0.7 percentage points in the coming year, while international inflation could rise by 1.1 percentage points.

Baseline inflationary pressures across G20 nations remain elevated. Projections for G20 inflation in 2026 have been adjusted upward to 4.1% from the earlier 4.0% estimate, while the 2027 forecast has been raised to 3.6% from 3.1%. These escalating cost pressures may compel central banks to re-evaluate monetary policy decisions, particularly if price increases spread across broader sectors or economic momentum declines significantly.

Economic performance across major geographic regions demonstrates notable divergence:

- United States: Economic growth is projected at 2.2% in 2026 and 2.1% in 2027, exceeding June forecasts as extensive corporate AI spending offsets sluggish consumer demand. U.S. inflation is expected to reach 3.6% in 2026 before cooling to 2.6% in 2027, affected by trade tariffs and elevated energy expenditures that erode household purchasing power.

- China: Growth projections remain stable at 4.5% for 2026 and 4.2% for 2027. Government measures to curb industrial overcapacity continue to constrain capital investment, even as domestic consumption undergoes a gradual inflationary uptick.

- Euro Zone: Output expansion is expected to flatten at 1.0% in both 2026 and 2027. Higher borrowing costs and energy prices hinder activity, though planned defense spending initiatives are anticipated to offer eventual support. Euro zone inflation is forecast at 3.0% in 2026 and 2.9% in 2027, fueled by rising natural gas prices as regional storage levels hit a 15-year low ahead of winter.

- Japan: Gross domestic product is set to expand by 0.8% in 2026 and 0.7% in 2027, as tightening monetary policy and expensive energy imports counter robust corporate investments. Driven by a restricted labor supply and sustained wage growth, inflation is expected to rise from 1.8% in 2026 to 2.6% in 2027.

- Canada: Growth expectations were downgraded to 0.9% for 2026 and 1.3% for 2027, largely due to the implementation of new U.S. tariffs on Canadian goods.