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Even without widespread productivity gains, AI is drastically reshaping capital expenditure. The “hyperscalers”—the massive tech companies providing cloud and AI infrastructure—are driving an unprecedented spending boom. Analysts have revised their 2026 capex expectations for these tech giants to an astonishing $667 billion, a 24% increase from just the start of the earnings season and representing a 62% jump compared with 2025. Goldman Sachs anticipates that this AI spending will contribute roughly 1.5 percentage points to measured capex growth this year, though its net impact on overall GDP growth will be a minimal 0.1 to 0.2 percentage points owing to a heavy reliance on imported capital goods.
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最令航天业担忧的是钇供应紧张。钇是高温防护涂层中的关键成分，可防止发动机和涡轮在高温下“熔化”，一旦无法定期施涂相关涂层，发动机便无法正常服役。