Opening — Why this matters now

If you believe the headlines, artificial intelligence is single‑handedly propping up U.S. economic growth. Strip away the hype, and the picture looks more… bureaucratic. AI is not (yet) a productivity miracle in the national accounts. It is an accounting phenomenon — a capital‑intensive infrastructure build‑out that shows up as spending long before it shows up as efficiency.

This distinction matters. Policymakers, investors, and operators are currently arguing about whether AI justifies valuations, explains resilient U.S. growth, or risks becoming the next over‑investment cycle. To answer any of that, we first need to understand where AI actually appears in GDP.

Background — Context and prior art

Historically, general‑purpose technologies follow a familiar macro pattern: heavy upfront investment, modest early productivity gains, and only later a durable growth dividend. Electricity, PCs, and the internet all followed this script.

AI is no different — except for one twist. The scale and speed of capital expenditure are unprecedented, driven by a single physical bottleneck: data centers. Unlike software‑only revolutions, modern AI is power‑hungry, hardware‑bound, and geographically fragmented across global supply chains.

That makes national accounting — not model benchmarks — the right lens for understanding AI’s current economic footprint.

Analysis — How AI enters GDP (and how it mostly doesn’t)

From an accounting perspective, today’s AI wave affects GDP through three main channels:

  1. Capital expenditure on data centers, servers, GPUs, cooling, and power infrastructure.
  2. Imports, which offset much of that spending because AI hardware is largely manufactured and assembled abroad.
  3. Production of computational and AI services, once data centers become operational and sell capacity.

Crucially, productivity effects are largely absent so far. AI shows up first as demand, not efficiency.

The investment surge

In 2025, U.S. investment in information‑processing equipment and software grew at rates not seen since the early PC era. Servers and related hardware exploded in particular, driven almost entirely by hyperscalers and large tech firms racing to build AI capacity.

But gross investment figures overstate the domestic growth impact.

The import reality check

A substantial share of AI hardware — GPUs, servers, and components — is imported. Once these imports are netted out, AI‑related investment contributes far less to GDP growth than headline capex numbers suggest.

In simple terms: the U.S. pays for the machines, but much of the value added accrues abroad.

Data centers as economic translators

Data centers are the fulcrum of the system. They convert:

  • Capital spending → productive capacity
  • Hardware → services
  • Imports → domestic value added (eventually)

From a macro standpoint, data centers are not just infrastructure — they are the factory floor of the AI economy.

Findings — What the numbers actually say

Expenditure view vs value‑added view

Perspective What it captures What it misses
Expenditure approach AI capex, consumption of AI services Import leakage, operating revenues
Value‑added approach Ongoing service production Clean separation of AI vs IT

When GDP is measured by value added, technology‑intensive sectors — especially computer systems design and related services — contribute more to growth than investment data alone would suggest. This hints at an emerging revenue channel from AI services, not just spending.

Why payback matters

Modern AI data centers operate at high utilization rates and current GPU rental prices imply payback periods close to one year. That is unusually fast for infrastructure of this scale.

The implication is subtle but important:

The flow of AI service revenues can soon rival — and then exceed — the initial investment that built the capacity.

This is where AI starts to look macro‑relevant beyond capex.

Implications — What this means for business and policy

1. AI is not the sole engine of U.S. growth

Consumer demand remains central. AI investment is a powerful tailwind, not a replacement engine.

2. Location matters more than models

Who captures AI’s value depends less on model quality and more on:

  • Where data centers are built
  • Where services are booked
  • How profits are attributed across borders

Industrial policy, tax regimes, and infrastructure constraints will quietly shape AI’s macro impact.

3. Reinvestment cycles are the real risk

Short hardware lifecycles mean:

  • Persistent high capex
  • Lower long‑run free cash flow
  • Sensitivity to demand forecasting errors

This is not a classic bubble dynamic — but it is a structural margin constraint.

Conclusion — The accounting before the alchemy

AI has not yet rewritten the productivity textbooks. What it has done is trigger one of the largest, fastest infrastructure build‑outs in modern economic history.

For now, AI shows up in GDP as cranes, servers, imports, and cloud invoices — not as miraculous efficiency gains. The real economic transformation, if it comes, will arrive later, unevenly, and through second‑order effects that accounting tables have not yet learned to recognize.

Until then, the AI boom is best understood not as an intelligence explosion — but as a very expensive, very physical industrial expansion.

Cognaptus: Automate the Present, Incubate the Future.