If the Middle East conflict continues, disrupting shipping through the Strait of Hormuz and reducing global crude oil supply by 7 million to 11 million barrels per day, and oil prices remain above $100 per barrel, how will global inflation and related supply chains be affected?

Directionally leans toward supporting the affirmative — the first three steps of the chain (supply cutoff, costs, CPI and rate hikes) all have verifiable primary or quasi-primary evidence, and the location of spare capacity inside the Strait and the shutdown of alternative pipelines make the gap difficult to close; however, the key link of 'inflation expectation de-anchoring' lacks primary data, and the rise in long-end rates has independent drivers from fiscal and AI capital expenditure, so the completeness of the causal chain and the attribution of 'oil-led rates' cannot be given high confidence.

A 'medium' rather than 'high' rating is given because the supporting side holds multiple primary or quasi-primary data points: the EIA STEO transit volumes (21.6→4.9 mb/d), Kpler daily vessel transits (7 versus about 125 pre-war), BLS August CPI and PPI, the Fed's September 16 rate hike decision and the 5.016% 10-year close, which pin the first three steps of 'physical supply cutoff—cost push—policy tightening' to evidence, and 'spare capacity trapped inside the Strait, the Saudi pipeline shut since September 10, Yanbu inventories only 5-7 days' constitutes a structural mechanism by which the gap cannot be closed, which the opposing side did not directly rebut. The reasons for not giving 'high' are equally specific: first, the key chain variables breakevens and University of Michigan inflation expectations are indeed acknowledged by the working papers as a 'major evidence gap,' and without this data 'expectation de-anchoring → forced tightening' is only a narrative; second, the working papers themselves point out that the rise in 10-year Treasury yields has independent drivers from nearly $2 trillion in deficits and AI capital expenditure financing, and invalidation condition No. 5 already states that the explanatory power of the 'energy→rates' causal chain may drop significantly, so the supporting side's use of 5.016% to endorse the oil price causal chain does carry attribution risk; third, the opposing side's counter-evidence on supply elasticity (U.S. exports +16%, Canada, Brazil, Mexico +28), about 80% of IEA reserves unused, and the two rapid oil price pullbacks in March and June shows there is real room for downward revision in the persistence and magnitude of the geopolitical premium, and the gap between the EIA's own forecast of about $85 for Q3 and the market's $104-109 also confirms that the priced-in component is not low. The supporting side has harder evidence on 'whether it has already happened,' while the opposing side has harder evidence on 'persistence and causal attribution'; neither side has thoroughly resolved the core dispute over chain completeness, hence 'medium.'