A stronger than expected Q1 raises UK growth forecast. Our economics partner Oxford Economics (OE) has slightly increased its UK growth forecast for 2026 from 0.6% in April to 0.7%. While OE had expected inflation to drop to around 2% before the war started, the rate is now expected to average 3.4%. The return of inflation means that interest rate cuts will stay on hold.
US trade deals prove fragile. The US effective tariff rate rises to 33% in Q1 2026, far above the 13% level in the baseline. China is particularly hard hit, with an effective tariff rate of around 125%. Affected economies hit back with corresponding tariffs on US exports.
Investor concerns over Japan's fiscal position spread to other economies, prompting governments to take action to tackle rising public debt levels. Initial hits to GDP growth are eventually unwound as interest rate cuts from the Federal Reserve and a partial unwind of fiscal measures support recovery beyond 2028.
AI-driven investment surge lifts global growth. Booming US tech spending and stock markets, powered by rapid AI adoption and productivity gains, mirroring the upswing witnessed in the 1990s.
A sustained stalemate leads to the Strait of Hormuz remaining effectively closed for six months. Alternative shipping routes also come under threat, while extended conflict increases damage to energy infrastructure.