Most Economists Say Don't Tax AI. Tax What It Earns.
On August 6, 2026, Senator Ron Wyden proposed cutting data center tax breaks and adding an excise tax. A day later, the co-directors of the Urban-Brookings Tax Policy Center argued the debate had jumped to "which tax?" before asking what a tax could do.
The stakes are simple. Tax systems run on wages. If AI does more of the work, the base shrinks - unless governments capture the value elsewhere.
Tax the gains, not the machine
The IMF set the tone in June 2024, advising against special taxes meant to slow AI investment. It pointed instead at capital taxation and at the carbon emissions of AI servers.
Brookings' Elena Patel and Tracy Gordon go further. A compute tax discourages the training that improves models, and its base shrinks as training gets more efficient. A token tax hits every user, productive or not. Better to tax capital income properly, since that's where AI's gains will likely land.
Robot taxes? Narrow at best. João Guerreiro, Sergio Rebelo and Pedro Teles found they're optimal only while today's routine workers, who can't switch to non-routine jobs, stay in the workforce. After that, zero. A transition tool, not a revenue strategy.
When humans stop being the tax base
Anton Korinek and Lee Lockwood look further out. If AI displaces labor, consumption taxes carry the load, and a token tax makes sense while humans remain the main consumers. If autonomous systems later produce most of the value, taxing people isn't enough. AI itself becomes the base, at a rate set by how much society discounts the future.
Science fiction today. A design constraint tomorrow.
Where the bill lands
Tax treaties tie taxing rights to physical presence. AI services have none where they're used. Reuven Avi-Yonah and co-authors note an AI system's programmers, servers and users can sit in three countries, servers often in a haven. Their answer: tax where the users are.
The IMF's July 2026 working paper agrees in spirit. Destination-based VAT follows consumption and works best. Digital services taxes mostly land on customers, not the tech giants they target. Wyden's excise does the opposite: tax where the chips sit.
So the question isn't whether AI gets taxed. It's which anchor wins: the user's country, the data center's or the shareholder's. Which treasury moves first?
Sources: IMF Staff Discussion Note SDN/2024/002 (June 2024); Patel & Gordon, Brookings (Aug 7, 2026); Guerreiro, Rebelo & Teles, Review of Economic Studies (2022); Korinek & Lockwood, NBER/Brookings (2025); Avi-Yonah et al., Marquette Law Review (2025); IMF Working Paper WP/26/152 (July 2026).