# The Global AI Bust

> AI boom may collapse as markets overinvest in the technology.
- Title: The Global AI Bust · Foreign Affairs | Shortify
- Summary: AI boom may collapse as markets overinvest in the technology. The AI boom could collapse as markets overinvest, causing global economic damage but leaving a…
- Keywords: stock market, tech investment, economic bubble, data centers, hyperscalers, ai startups, ai boom, ai bust, tech stocks, ai models, ai adoption, Global
- Source: Foreign Affairs — https://foreignaffairs.com/united-states/global-ai-bust-ruchir-sharma
- Author: Ruchir Sharma
- Published: 2026-10-13T08:00:00+00:00
- Read time: 2 min
- Topics: ai, stock market, tech investment, economic bubble, data centers, hyperscalers, ai startups, ai boom, ai bust, tech stocks, ai models, ai adoption
## AI's Rapid Rise
AI spread faster than any past innovation, with 30 percent of Americans using it within four years of ChatGPT's release.
## AI Investment Boom
Tech spending on new plants and equipment hit 6.3 percent of GDP, up from 6.0 percent during the internet bubble.
## The Four O's
Bubbles follow a pattern: overvalued, overowned, overinvested, and overleveraged assets.
## AI Market Bubble
The current ai boom is a bubble, with prices rising tenfold over 15 years and earnings artificially inflated.
## Tech Giants and AI
The top ten s&p 500 stocks are all ai players, accounting for nearly 40 percent of the index and half its returns this year.
## Global AI Stack
China, Japan, South Korea, Taiwan, and the United States spend more on r & d than other countries, driving ai growth.
## AI Investment Risks
Hyperscalers like amazon, google, meta, and microsoft are borrowing heavily to fund ai projects, risking debt collapse.
## Debt and the Bubble
The u.s. government deficit has doubled to over six percent of gdp, funding ai growth through hidden subsidies.
## Bubble Trouble
Bond vigilantes could trigger a liquidity squeeze, causing ai stocks to plummet and global markets to crash.
## After the Crash
The ai crash would cause economic damage worldwide, with the u.s. and asian markets leading the fallout.
## AI's Long-Term Impact
The ai boom could boost productivity growth by 0.1 to 2.0 percentage points, but benefits may take decades to materialize.
## The Bubble's Legacy
Survivors will push ai forward, creating a more stable ecosystem but with delayed productivity gains.
## AI's Economic Future
The ai boom may collapse, leaving a more balanced market but with long-term productivity gains.
## Global AI Bust
The ai boom could collapse, causing global economic damage but leaving a more stable ai ecosystem.
## AI Investment Boom
Tech spending on new plants and equipment hit 6.3 percent of gdp, up from 6.0 percent during the internet bubble.
## The Four O's
Bubbles follow a pattern: overvalued, overowned, overinvested, and overleveraged assets.
## Key takeaway

The AI boom could collapse as markets overinvest, causing global economic damage but leaving a more stable AI ecosystem.