Gary Marcus amplifies claim: $3T in AI spend, zero real-economy productivity gains
GaryMarcus · x · 2026-08-29
Gary Marcus boosted a sharp take: despite roughly $3 trillion poured into AI, real-economy productivity gains are essentially absent — 'AI is the greatest mass psychosis event in history.' The quoted Bloomberg report notes the San Francisco Fed's updated total-factor productivity estimates look ugly, in contrast to the dot-com era when labor and capital inputs yielded much better growth. This continues Marcus's long-running AI-bubble critique and highlights the tension between macro data and the AI boom.
Related event: Gary Marcus: Trillions in AI Spending, No Productivity Gains(2 posts)→
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