Cities, scaling, & sustainability

next, to generate exponential (resource) growth.

in part 2, we will propose four basic principles that are sufficient to predict typical exponents observed for cities, based on a few basic features of human behavior and infrastructure networks.

For example, lawyers’ offices scale superlinearly with city size (like social interactions, k(N); is this a coincidence?). Primary activities, such as agriculture, fisheries, and mining, scale sublinearly, as might have been expected, but are often nevertheless present in large cities.

We have indeed focused on urban processes such as social interactions, mobility over space and time, active cost-benefit management, learning, and investment of resources and information toward collective production and exchange.

these deviations are also scale independent