Steve Keen argues that a war disrupting the Strait of Hormuz would be far more dangerous through fertilizer supply shocks than through oil alone, potentially triggering food shortages and famines in vulnerable import-dependent countries this year.
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This transcript is a focused warning from Steve Keen about the systemic risk created by war around Iran and the Strait of Hormuz. His core point is that the critical vulnerability is fertilizer, not just energy: he says roughly 20% of the world’s fertilizer passes through the Strait, that shipments were effectively interrupted for a month, and that missing fertilizer by even one or two weeks can mean missing the planting window and losing the crop cycle entirely. Keen argues that the result could be a sharp drop in global food output, severe shortages, and famine in countries that depend on imports and do not produce enough fertilizer themselves. …
Near term, the actionable risk is a fertilizer and food-input supply shock if shipping through Hormuz stays impaired into planting deadlines. The setup is tactically bearish for import-dependent food systems, but the trade hinges on whether governments can bridge the gap with stocks and rerouting.
Over the next few weeks and months, the base case is a differentiated impact: countries with inventories and domestic fertilizer production should manage, while low-buffer importers could see real food stress. The key validation is whether the supply interruption persists long enough to affect planting and whether political coordination offsets the shock.
Structurally, the video argues that modern global production is too brittle, with critical systems built on just-in-time efficiency and little redundancy. If this framework is right, the lasting implication is that supply-chain resilience and input security matter as much as prices or growth in macro analysis.
The Iran war is disrupting the flow of fertilizer through the Strait of Hormuz.
He frames the war as a supply-chain shock to fertilizer shipments rather than only an oil shock.
About 20% of the world’s fertilizer passes through the Strait of Hormuz.
He uses this number to justify why the disruption is so dangerous.
A month of disruption has already broken the usual just-in-time fertilizer chain.
He says nothing passed through the strait for the whole month of March, leaving a gap in deliveries.
What will the average person start to experience if this war doesn't immediately end?
Steve explains that India will run out of fertilizer in two to three months causing famine there; wealthy countries are not safe either. Australia has only 30 days of oil supply, so it can't transport food from farms to cities when it runs out. The UK and Australia are the most vulnerable because they don't produce their own fertilizer, and even the UK could face famine given it imports over 40% of its food.
How vulnerable are different countries to the fertilizer disruption, and who will be hit hardest?
Steve explains that India will run out of fertilizer in two to three months causing famine there; wealthy countries are not safe either. Australia has only 30 days of oil supply, so it can't transport food from farms to cities when it runs out. The UK and Australia are the most vulnerable because they don't produce their own fertilizer, and even the UK could face famine given it imports over 40% of its food.
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