The global economy's trajectory in the second half of 2026 hangs in the balance, with a pivotal US-Iran peace agreement at the center of it all. This agreement, according to Oxford Economics, is the linchpin that could either provide an energy-driven disinflationary boost or trigger a second oil shock, sending shockwaves through markets. The consultancy's optimism about a durable deal is balanced by a cautious tone, acknowledging the agreement's fragility.
The potential breakdown of the truce has already been tested by recent military exchanges between the US and Iran, with oil prices spiking over 3% in response. The Strait of Hormuz, a critical chokepoint for oil transportation, is under the microscope, with its traffic levels serving as a bellwether for the deal's health. If traffic returns to 75% of pre-war levels by mid-July, the agreement is likely to hold; otherwise, the risks escalate.
The implications of a deal breakdown extend far beyond oil prices. It would disrupt AI supply chains in Asia, tighten financial conditions, and potentially alter the outcomes of US and Israeli elections. The US-Iran peace process is a delicate coin flip with a $20 price spread, as highlighted by Morgan Stanley's forecast of $90 per barrel by year's end, contrasting with Oxford Economics' $70 prediction.
Trade tensions are another critical factor. The expiration of US Section 122 tariffs on July 24th and the introduction of Section 301 levies will likely increase effective tariff rates, impacting the AI industry, which relies heavily on Asian hardware. The European Commission's increased trade-defence investigations against China and its economic security strategy further underscore the escalating trade tensions.
The AI boom, a significant driver of financial markets, is also at risk. The Bank for International Settlements (BIS) warns of the sector's reliance on opaque financing and lightly regulated private credit, which could trigger a sharper correction than traditional banking crises. A tech bust scenario, modeled by Oxford Economics, could see US technology stocks fall by 25%, causing a ripple effect on the global economy.
Central banks, policy, and politics are the final dominoes. Oxford Economics predicts a dovish stance from major central banks, but this could change if the Strait of Hormuz situation deteriorates or AI-input prices indicate supply stress. The Federal Reserve's rate decision and the US midterms in November are key tests, while Germany's state elections in September could impact the eurozone economy.
Despite the risks, Oxford Economics highlights potential upside, including AI-driven productivity gains and a resilient EU economy. The key to this resilience lies in Germany's credit data and corporate behavior, with the potential for underlying economic momentum to surprise positively. However, the forecast's wide range and typical Oxford Economics miss of nearly a full percentage point emphasize the uncertainty and the need for careful monitoring of these critical global risks.