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The AI-Driven Productivity Tide May Not Lift All Boats

Macro Signposts highlights takeaways from the data analysis conducted by our team of economists and other experts.
The AI-Driven Productivity Tide May Not Lift All Boats
The AI-Driven Productivity Tide May Not Lift All Boats
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In recent editions of Macro Signposts (here), we’ve emphasized how U.S. policy changes coinciding with the emergence of a new general-purpose technology (AI) may be accelerating adoption and diffusion of that technology – while also driving economic adjustments. So far, those adjustments have supported relatively stable real GDP growth in the U.S., but we see fragilities under the surface.

AI-driven productivity gains have buoyed asset prices and supported consumption through wealth effects, while investment has been narrowly concentrated in AI implementation and infrastructure. As a result, near-term U.S. economic performance will likely depend heavily on how the AI transition progresses.

AI is a relatively new technology. Large language models (LLMs) as general-use systems for the broader public became available in 2022, with widespread U.S. business adoption only starting to accelerate in 2025, according to U.S. Census Bureau data.

There are a lot of unanswered questions around how the economic adjustment will play out. Whether AI will primarily be a substitute or a complement for labor, how quickly it diffuses across the economy, and ultimately who wins versus loses are all very difficult to forecast. Unlike past general-purpose technologies, which took decades to diffuse, AI use is spreading fast, with divergent consequences across the economy. Recent sharp declines in equity and loan valuations across AI-exposed sectors underscore these risks.

Given the uncertainty, comparisons to historical economic transformations that followed the introduction of general-purpose technologies are natural. Specifically, the late-1990s diffusion of personal computers, networking, and the internet, which drove a productivity boom, is a potentially useful study for today. However, there are important differences between the late 1990s and what is happening today. If 2025 is a preview, AI might not be a productivity tide that lifts all boats. Indeed, the risk is that much of the value AI creates will accrue primarily to capital holders – not workers.

Figure 1: U.S. productivity growth and wage growth in two different tech booms

Line chart comparing year over year U.S. productivity growth and compensation growth from 1995 - 2025. Productivity (real output per hour) fluctuates between roughly –4% and +8%, while compensation per hour follows a similar pattern but generally grows more slowly.
Source: U.S. Bureau of Labor Statistics (BLS), Haver Analytics as of Q3 2025

Labor’s share of income also increased over this period (see Figure 2), as did the labor input costs of the products and services sold (i.e., unit labor costs) – computers and networking made white-collar professionals more productive and better paid. Capital holders also benefited. From 1995 to the stock market peak in mid-2000, total returns from investment in the S&P 500 Index were over 200% in nominal terms.

Figure 2: U.S. labor market’s share of income rose in the late 1990s but hit a record low in 2025

Line chart showing U.S. labor’s share of income from 1995 - 2025. The labor share fluctuates between approximately 52% and 66%, trending downward until around 2015 and remaining relatively stable but low afterward.
Source: U.S. Bureau of Labor Statistics (BLS), Haver Analytics as of Q3 2025

Perhaps counterintuitively, stronger demand from higher real wages, combined with wealth effects from rising equity prices and greater capital relative to savings demands, likely contributed to the acceleration in U.S. inflation in 1999–2000 (and likewise the potential for higher real neutral interest rates). Monetary policymakers responded: The U.S. Federal Reserve, after initiating an easing cycle in the latter half of 1998, reversed course and hiked the policy rate 175 basis points from 1999 to 2000 in an effort to manage inflation risks.

1 Tyna Eloundou, Sam Manning, Pamela Mishkin, and Daniel Rock, “GPTs are GPTs: An Early Look at the Labor Market Impact Potential of Large Language Models,” arXiv .org paper 2303.10130, revised August 2023.

2 Bryan Seegmiller, “Valuing Labor Market Power: the Role of Productivity Advantages,” SSRN abstract ID #4412667, revised October 2025.

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