Summary
Morgan Stanley cautions that recent disruptions in the Strait of Hormuz are generating second-order effects that reach well beyond higher oil prices and tighter energy supplies. These downstream consequences are showing up as material shortages, logistical delays and cost increases for industrial inputs central to global manufacturing and agriculture.
The immediate market response has been a pronounced rise in oil prices and a constriction in energy availability. However, economists and analysts at Morgan Stanley emphasize that the broader repercussions are more complex and could be more enduring. The Middle East is not only a major oil exporter but also a significant source of petrochemicals, fertilizers and metals such as aluminum - inputs that sit upstream in global production chains.
As disruptions to energy flows intensify, shortages and delivery delays for these inputs are appearing, lifting costs across a wide set of industries. Morgan Stanley notes that agriculture, construction, consumer goods and other manufacturing sectors are already feeling upward pressure on input prices as petrochemical- and metal-related materials become scarcer or slower to arrive.
Morgan Stanley estimates that trade flows representing billions of dollars are at risk, with particular vulnerability concentrated in aluminum and plastics. These commodities act as upstream feedstocks for a broad range of finished products, so interruptions can cascade through supply networks. Fertilizer supply chains are also under threat - especially nitrogen-based fertilizers that depend heavily on natural gas - raising the prospect of impacts to agricultural output on a global scale.
The distribution of risk is uneven. Emerging market economies such as India, Brazil and Turkey are cited as among the most exposed because of their dependence on Middle Eastern imports for industrial inputs. Major developed markets, including Japan and parts of Europe, face exposure as well due to reliance on the region for key materials.
Morgan Stanley highlights that these second-order effects may persist beyond the immediate period of conflict. Even if oil shipments normalize, rebuilding downstream industrial capacity and recalibrating supply chains could take substantially longer. Post-conflict priorities may favor restoration of energy exports over the re-establishment of downstream manufacturing capacity, delaying the normalization of material flows.
The upshot, according to this analysis, is that the shock from disruptions in the Strait of Hormuz may extend well past fuel price volatility and feed into broader macroeconomic pressures - including higher inflation, interrupted trade and slower global growth.