AI Coding Agents Will Expand Developer Demand, Not Shrink It, Argues Economist

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Economist Brad DeLong argues that AI coding agents follow a historical pattern where more productive software tools increase demand for skilled developers rather than replacing them. His data shows the software workforce grew from roughly 2,000 machine wirers in 1935 to over 2.5 million developers by 2025, even as tooling became dramatically more capable. Applying this lens to the Microsoft stack — where low-code platforms and Copilot Studio already minimise manual coding — the analysis suggests execution is no longer the scarce resource. The durable skills that enterprises will pay for in 2026 are decision-making quality, output verification, and accountability ownership. As cheaper agents enable more deployments, the demand for human judgment over architecture and governance is expected to rise, not fall.

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