Seoul has begun to measure a fear that has grown quietly alongside the artificial intelligence boom: that a nation built around a single export may be exposed to decisions made in distant boardrooms. The Bank of Korea, answering a question from a lawmaker, sketched a pessimistic future in which American technology giants pull back on their AI spending and Korean chip sales fall away. It is a scenario rather than a forecast, yet it shows how closely the country's prosperity now rests on how much Amazon, Google, Microsoft, Meta and Oracle choose to build next year.
Bank of Korea Warns Chip Exports Could Drop $50–100 Billion if US AI Spending Slows
Chips account for roughly half of South Korea's exports.
Mark
Why did a central bank put out a scenario like this at all?
Mimi
A lawmaker, Ahn Do-geol, asked, and the Bank of Korea answered in writing. It modeled a pessimistic case to show what a US AI spending slowdown would cost South Korea.
Mark
What's the headline cost?
Mimi
Chip exports $50 billion to $100 billion below earlier forecasts, and about 0.4 percentage point off GDP growth next year.
Luke
Worth being clear that's a scenario, not a forecast. The bank isn't saying spending will slow.
Mimi
Right, and it cautioned that AI demand and the memory chip cycle are both highly uncertain.
Mark
Why does it hit Korea so hard?
Mimi
Chips are roughly half of exports. And the spending comes from five firms: Amazon, Google, Microsoft, Meta and Oracle, whose combined capex goes from $40 billion to about $80 billion this year, then a projected $110 billion next year.
Luke
The $80 billion and $110 billion figures are estimates and projections, not reported results. And the scenario also assumes a 10% fall in chip unit prices, which is an input, not a finding.
Mark
Do we know how the bank links the shortfall to the current account?
Luke
Only in outline. It says the shortfall would push the surplus well below its $430 billion projection for 2027, but the reporting gives no new figure for that.
Il Polso
- A pessimistic central bank scenario puts $50 to $100 billion of South Korean chip exports at risk if US AI spending slows.
- Chips make up roughly half of the country's exports, so a single cooling market could ripple through the whole economy.
- The modeled shock would shave about 0.4 points off GDP growth and pull the current account far below its $430 billion forecast for 2027.
- Officials are quantifying the risk for lawmakers while stressing that the downside is not the most likely outcome.
- All eyes now turn to the five hyperscalers' capital spending guidance, which will reveal whether the boom holds or bends.
Seoul has begun to measure a fear that has grown quietly alongside the artificial intelligence boom: that a nation built around a single export may be exposed to decisions made in distant boardrooms. The Bank of Korea, answering a question from a lawmaker, sketched a pessimistic future in which American technology giants pull back on their AI spending and Korean chip sales fall away. It is a scenario rather than a forecast, yet it shows how closely the country's prosperity now rests on how much Amazon, Google, Microsoft, Meta and Oracle choose to build next year.
The Bank of Korea has put numbers to a worry that has been growing in Seoul: what happens to the economy if the American AI spending boom cools. In a written reply to lawmaker Ahn Do-geol, the central bank described a pessimistic scenario in which South Korea's semiconductor exports fall $50 billion to $100 billion short of earlier forecasts, should major US tech companies slow their AI capital spending next year.
The bank framed this as a modeling exercise, not a prediction. The answer it reached was a real blow: GDP growth would drop roughly 0.4 percentage points, and the current account surplus would fall well below its $430 billion projection for 2027. The model also assumed Korean chip unit prices would drop 10%.
The vulnerability comes from concentration. Chips account for about half of South Korea's exports, so the choices of a handful of customers reverberate across the economy. The five companies named, Amazon, Google, Microsoft, Meta and Oracle, have been rapidly raising their capital spending, from an estimated $40 billion last year to $80 billion this year and a projected $110 billion next year. The scenario asks what happens if that climb flattens.
The central bank stressed that considerable uncertainty remains about AI demand and the memory chip cycle, a market known for sharp swings. For now, the figures give the public a way to gauge the risk, and the signal to watch is the spending guidance those five companies provide for next year.
The Bank of Korea has put a number on a worry that has been building in Seoul: what happens to the country's economy if the American AI spending boom cools. In a written reply to lawmaker Ahn Do-geol, the central bank laid out what it called a pessimistic scenario. South Korea's semiconductor exports, it found, could come in $50 billion to $100 billion below earlier forecasts if major US technology companies slow their capital spending on artificial intelligence next year.
The reply, reported from Seoul on October 27, was a modeling exercise rather than a prediction. The bank asked what would follow if US tech giants pulled back on the aggressive infrastructure outlays that have been feeding demand for Korean chips.
The answer was a measurable hit. In the scenario, the sudden export shortfall would shave roughly 0.4 percentage point off South Korea's GDP growth rate next year. It would do so by pushing the current account surplus well below the bank's initial projection of $430 billion for 2027. The model also assumed that Korean semiconductor unit prices would fall 10%.
The exposure comes from how much the country leans on a single product. Chips account for roughly half of South Korea's exports, so a swing in demand from a handful of customers carries weight across the whole economy. The central bank's assessment underscores the anxiety that dependence has produced.
The report names the customers in question: Amazon, Google, Microsoft, Meta and Oracle. Their combined capital expenditure has been climbing fast, from $40 billion last year to an estimated $80 billion this year. The projection for next year is $110 billion. The pessimistic scenario asks what happens if that trajectory flattens or bends downward instead.
The Bank of Korea did not present the downside as the likeliest outcome. It cautioned that considerable uncertainty remains over where AI demand is heading and over the broader memory chip business cycle, a market long known for sharp swings between shortage and glut.
For now, the numbers give lawmakers and the public a way to size the risk. The signal to watch is the spending guidance the five companies give for next year, since their budgets set the demand that Korea's chipmakers are building to meet.
Citazioni salienti
The bank modeled a pessimistic scenario assuming a 10% fall in Korean chip unit prices, while cautioning that AI demand and the memory chip cycle remain highly uncertain.— Bank of Korea, written response to lawmaker Ahn Do-geol
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