Is AI investment large enough to shape the business cycle?
Core argument: Spending on AI chips and data centers was a bit below $100 billion in 2023, around 0.4% of US GDP, leaving AI-related capex a small share of the economy.
Historically, major technological transitions have fueled investment increases that were large enough to shape the overall business cycle. Today, AI-related capex is still a small share of the economy: spending on AI chips and data centers was a bit below $100 billion in 2023 (around 0.4% of US GDP). While chip company revenues have spiked (driven by NVIDIA), the broader ecosystem of companies exposed to AI-related investments has yet to see a major jump in sales since AI enthusiasm took off following ChatGPT’s November 2022 launch. Notwithstanding some pockets of froth, the classic boom dynamic of abundant capital chasing far-out returns has yet to take off: affected firms’ equity prices are mostly moving in line with near-term expected profits at reasonable or only slightly stretched multiples. But when we look at the underlying dynamics, we see the makings of a surge in spending that could be large enough to shape the trajectory of the business cycle from here.


