Related Publications:

1. K Huang, M Lu. 2025. Nested economies of scale in global city mass. arXiv preprint arXiv:2507.03960

2. K Huang, M Lu. Mismatch between city mass and human in China Neighborhood. In Prep.

Contact: Kangning Huang, NYU Shanghai (kh3657@nyu.edu)

Circles: City Absolute CMI

0.708 1.735 2.763

Point Size (City Area):

Small: 21 km²
Medium: 70 km²
Large: 7760 km²

#Cities = 866

Hexagons: Neighborhood Relative CMI

0.39 0.63 0.89 1.0 1.12 1.58 2.94

■ Low Outliers (< 5th %): 427

■ High Outliers (> 95th %): 427

#Neighborhoods = 8,536