What is it about?
This study looks at how all the cities in the United States, from the smallest to the biggest, balance the trade-off between focusing on a few economic activities and diversifying them. For nearly two centuries, we study how they grow and change, studying occupational and technological transformation since the very origin of American cities.
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Why is it important?
This insight is timely, as many cities are attempting to reinvent themselves following industrial decline, automation, and the pandemic. Our work provides a benchmark for realistic, sustainable diversification strategies.
Perspectives
Working on this paper made me rethink on how cities collectively grow, and how they manage to coordinate a multitude of jobs.
Simone Daniotti
Read the Original
This page is a summary of: The coherence of US cities, Proceedings of the National Academy of Sciences, September 2025, Proceedings of the National Academy of Sciences,
DOI: 10.1073/pnas.2501504122.
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