AI revenue must hit $3.5T by 2032, ~9% of GDP, to justify the buildout: Columbia paper
asusarla · x · 2026-10-04
A Columbia paper presented at Brookings estimates AI services revenue would need to reach $3.5 trillion by 2032—about 8.8% of GDP, roughly what Americans spend on food—to justify today's AI buildout.
- That would exceed any investment boom in US history and is 7x what Americans spend on phone, streaming, and internet combined.
- Historical parallel: computer prices fell for 50 straight years, yet business spending on them plateaued as a share of GDP in the 1980s—cheaper and better didn't mean an ever-larger slice of the economy.
The takeaway: AI will likely raise productivity, but whether it delivers the revenue investors are pricing is the gap the buildout is underpricing.
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