The Excitement and Infrastructure of Cities

Places of transformation and new things happening collectively in cities are fascinating and filled with discovery and revelation./nThe infrastructure of cities, such as roads and built-up areas, is sublinear in relation to population./nThe sublinear behavior of infrastructure and built-up spaces in cities suggests that there are more people or area./nSuperlinear phenomena in cities, such as crime, wages, innovation, and epidemics, are the result of human interactions./nBeing more squeezed in cities makes it easier to interact, leading to increased rates of sustained socioeconomic interaction./nCities act as social reactors, bringing people together and accelerating the production of various products per unit time./nCities have a hierarchical system of infrastructure with fixed costs per benefit of interaction./nThe intensity of socioeconomic interactions, life, and infrastructure usage increases with the size of the city.