Asian refineries, facing a potential cutoff of crude from the Strait of Hormuz, are reducing processing rates to prolong operations. This immediate reduction in the supply of refined products like jet fuel causes their prices to spike before the full impact of the crude oil shortage is felt globally.

While crude oil shocks dominate headlines, the most acute economic pain stems from shortages of specific, less-substitutable refined products like jet fuel or petrochemical feedstocks. These targeted shortages can cripple specific industries like aviation and plastics much faster than a general rise in crude prices.

The impact of an oil supply disruption on price is a convex function of its duration. A short-term closure results in delayed deliveries with minimal price effect, while a prolonged one exhausts storage and requires triple-digit prices to force demand destruction and rebalance the market.

Focusing on crude's rise to $100/barrel misses the real story. Prices for refined products consumed by industries and travelers, such as diesel and jet fuel, have nearly tripled. This massive divergence reveals that the true economic pain is concentrated downstream from the oil well.

A sustained global supply disruption and subsequent price surge could be a net benefit for European chemical producers. Higher margins could revitalize an industry that has been in structural decline, providing an unexpected lifeline and potentially reversing long-term trends.

The Middle East's polyethylene production capacity, about 12% of the global total, is roughly equivalent to all of Europe's annual consumption. A full shutdown of this supply would effectively remove a Europe-sized chunk from the global market, creating a severe shortage.

Despite holding 65-70 days of crude oil reserves, Asian governments and industries begin rationing energy as soon as supply chains tighten. This preemptive action means the economic pain of a disruption is felt much sooner than official inventory levels would suggest, making the reserves a poor gauge of immediate impact.

Even if a major supply disruption is resolved quickly, the system does not instantly recover. Delayed shipments and depleted inventories create a systemic "air pocket" that keeps prices elevated for several quarters as the complex supply chain slowly renormalizes, a crucial lag often overlooked in initial forecasts.

Even a short-term crisis can create a prolonged aluminum shortage. It takes only a month to shut down a smelter, but restarting that same facility can take six months. This operational asymmetry means that supply is destroyed far more quickly than it can be restored, locking in market tightness.