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Cities Improve Lifespan
- Urbanization has greatly improved human lifespan through collective infrastructure and hygiene.
- Cities enable cooperation that vastly raises living standards but also concentrate problems like poverty and crime.
Universal City Scaling Laws
- Cities show universal scaling laws in infrastructure and socioeconomic characteristics globally.
- Infrastructure scales sublinearly (
0.85), socioeconomic metrics scale superlinearly (1.15).
Superlinear Socioeconomic Growth
- Bigger cities have higher per capita productivity and also more social issues like crime and disease.
- Socioeconomic metrics grow superlinearly (~1.15), unlike sublinear infrastructure costs.