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When a single industry is responsible for a country's headline export growth, the macro trajectory and the sector cycle become the same variable.
South Korea's semiconductor exports tripled on a year-over-year basis, a number that reads as a strong data point and opens a structural question at the same time: what happens to the Korean economy if that cycle turns?
The mechanism behind that question is straightforward. Semiconductor demand runs in pronounced cycles, driven by the cadence of technology refresh and infrastructure investment rather than steady-state consumption.
When demand rises, production capacity follows; the gap between when that capacity comes online and when the next demand phase arrives determines how severe the correction is.
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