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larger cities fill more of the same space than smaller ones. This means that the fractal dimension Df measured over the patterns of figure 3.19 increases with city size.
Luis M. A. Bettencourt • Introduction to Urban Science: Evidence and Theory of Cities as Complex Systems
Wealth, Built Area, and the True Population Size of Chinese Cities
Luis M. A. Bettencourt • Introduction to Urban Science: Evidence and Theory of Cities as Complex Systems

Rohit Krishnan • Eureka! On the clustering of geniuses

In his book, Friedman wrote about various “flatteners,” forces that were knitting the planet closer together. Several of these were digital technology: affordable Internet browsers like Netscape; workflow software that enabled collaboration between international businesses and…
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Kyle Chayka • Filterworld
Smaller cities, especially in parts of the upper Midwest (e.g., Wisconsin) but also in other states, show the lowest neighborhood segregation by income.
Luis M. A. Bettencourt • Introduction to Urban Science: Evidence and Theory of Cities as Complex Systems
The self-organization of production toward profit (rent) maximization around the central market results in a heterogeneous pattern of land uses!
Luis M. A. Bettencourt • Introduction to Urban Science: Evidence and Theory of Cities as Complex Systems
This high economic value meant that Airbnb could quickly scale with the Economic network effect that translated each new successive listing into increased conversion rates, improved unit economics, and higher gross revenues for the network.