Sublime

we cannot assume that everything interesting is at the same scale as ourselves.

not vary.

as cities grow and their networks evolve, the area or volume of the networks needed to keep them functionally connected tends to become smaller on a per capita basis. For example, in larger cities more people can share the same bus or segment of road or sewer pipe.

faster churning of companies in and out of the S&P 500, the death of news and the newspaper, the failure of established

We would now like to account for the behavior of collective growth in a system of cities and the pattern of relative fluctuations. Specifically, we would like to understand at a fundamental level the slowness and persistence of these deviations from scaling as well as get a handle on their typical magnitudes.