South Korea's central bank modeled a warning the government can't ignore. Chip exports could fall by $50 billion to $100 billion compared with earlier forecasts if major US technology firms slow their spending on artificial intelligence infrastructure next year, according to data submitted by the Bank of Korea to lawmaker Ahn Do-geol. The bank built a "pessimistic scenario" to measure the fallout if Amazon, Google, Microsoft, Meta, and Oracle curb their aggressive infrastructure outlays.
South Korea's chip sector sits at the center of this risk. Semiconductors account for roughly half of the country's exports, making the economy heavily exposed to any swing in global chip demand. A sudden export shortfall would shave approximately 0.4 percentage point off South Korea's gross domestic product growth rate next year. It would also push the current account surplus well below the central bank's initial projection of $430 billion for 2027.
This story matters right now because AI capital spending has become the main engine driving chip demand worldwide. Combined capital expenditure by five major US technology firms grew from $40 billion last year to an estimated $80 billion this year, with projections of $110 billion next year. That trajectory is not guaranteed. If it stutters, South Korea's export-driven chip economy feels the shock first.
The scenario assumed a 10% decline in Korean semiconductor unit prices. Memory chips make up the bulk of South Korea's chip shipments overseas, and price swings ripple through trade balances fast. The Bank of Korea cautioned that considerable uncertainty remains over the trajectory of AI demand and the broader memory chip business cycle. No one knows if US tech firms will keep spending at the current pace.
South Korea's Chip Dependence
The country's reliance on chips goes deeper than most export statistics suggest. Samsung Electronics and SK Hynix dominate global memory production, and their customers include the same US technology giants driving AI infrastructure spending. When those customers pause orders, Korean fabs feel it within quarters, not years.
Chip exports have long powered South Korea's trade balance. The sector contributes a major share of foreign exchange earnings, and its performance sets the tone for the entire economy. A downturn in chips does not stay inside the industry; it spreads to retailers, manufacturers, and service providers across the country.
The AI Spending Treadmill
Five US technology firms anchor the current chip boom. Amazon, Google, Microsoft, Meta, and Oracle have been growing their capital expenditure rapidly, from $40 billion last year to an estimated $80 billion this year. Analysts project that figure will reach $110 billion next year if the current pace holds.
Memory chip prices sit at the heart of this equation. Data center operators have been buying heavily to support AI workloads, and Korean suppliers have benefited from that demand. But buyers can pause orders faster than fabs can idle equipment, and inventory corrections hit prices quickly.
The Bank of Korea's model assumes a 10% decline in unit prices for Korean semiconductors. That single assumption drives the $50 billion to $100 billion export shortfall in the pessimistic scenario. The central bank did not predict this outcome will happen; it outlined what would happen if AI spending slows.
Packaging Bets Continue Amid Uncertainty
While export volumes hang in the balance, equipment makers are still placing bets on advanced packaging. Applied Materials said on Monday it plans to raise its stake in Dutch company BE Semiconductor Industries to about 20% from 9%. The move deepens a partnership focused on new chip-connection and packaging technologies used in AI applications.
Applied Materials entered an accelerated share purchase agreement for BESI's additional shares, subject to US antitrust review. The companies have collaborated since 2020 on hybrid bonding, a technique used in high-performance chips. Applied Materials said it does not plan to raise its stake beyond about 20% or seek board representation at BESI.
The deal signals confidence in advanced packaging even as export volumes face headwinds. Chipmakers need new ways to connect processors and memory as AI models grow larger, and hybrid bonding offers one path forward. Whether that technology can offset a broader slowdown in chip shipments remains an open question.
Design Tools Get an AI Overhaul
Chip design software is catching up to the manufacturing surge. Cadence Design Systems launched a portfolio of AI models tuned to help chipmakers design computer chips. The work deepens its open-source partnership with Nvidia and diverges from rival Synopsys' recent deal with OpenAI.
These tools matter because chip design cycles are getting longer and more complex. AI models can suggest layout changes, verify designs, and catch errors earlier in the process. For Korean chipmakers racing to keep up with AI demand, faster design tools could mean the difference between shipping on time and missing a product window.
What Happens If AI Spending Slows
South Korea's economy has built itself around chip exports for decades. That concentration delivered growth during the AI boom, but it also creates a single point of failure. If US technology firms trim their capital spending, the current account surplus falls short of the $430 billion target, and GDP growth takes a measurable hit.
The central bank's analysis stops short of predicting a collapse. It lays out a scenario, not a forecast. Whether AI spending holds depends on whether cloud customers see returns on their infrastructure investments. That question will shape South Korea's export numbers more than any domestic policy lever.
Memory chipmakers face a test they cannot control from Seoul. Samsung and SK Hynix can manage their own production schedules, but they cannot force US data center operators to keep buying. The Bank of Korea's warning is really about dependence on a handful of customers whose budgets shift with quarterly earnings and investor sentiment.
US export controls add another layer of risk. Washington has restricted shipments of advanced chips and equipment to China, and Korean suppliers must navigate those rules alongside shifting AI demand. The combination of export controls and a potential AI spending slowdown creates pressure from two directions at once.
The Bank of Korea will revisit its chip export outlook as US tech earnings reports arrive in the coming quarters. South Korean policymakers will watch those numbers closely, and the answer will determine whether the country's chip export engine keeps running or needs a new direction.
Read more about South Korea's chip sector in our desk coverage and follow the original reporting from Reuters.