Category Archives: power laws

Non-Equilibrium Social Science and Policy

Posted on February 18, 2017 by Michael Batty

This great book edited by Jeffrey Johnson, Paul Ormerod, Bridget Rosewell, Andrzej Nowak, and Yi-Cheng Zhang brings together many contributions from an EU project which lead to several workshops and conferences about a new form of social science – out … Continue reading →

Posted in Agent-Based Models, Complexity, Economies of scale, Emergence, Flows, Hierarchy, Networks, power laws | Leave a comment

The Prevalence, Scaling and Variance of Urban Phenomena

Posted on January 11, 2017 by Michael Batty

This coming month (January 2017) sees the launch of another of Nature’s flagship journals Nature Human Behaviour. In it, Andres Gomez-Lievano, Oscar Patterson-Lomba, and Ricardo Hausmann explore an integrated model which explains the prevalence, scaling and variance of urban phenomena … Continue reading →

Posted in city size, Complexity, Economies of scale, Information, power laws | Leave a comment

A City is Not a Tree: 50th Anniversary Edition

Posted on March 27, 2016 by Michael Batty

A really nice idea. Michael Mehaffy has put together a superb collection of comments on Chris Alexander’s famous 1965 paper “A City is Not a Tree”. The comments which are presented in slightly longer papers and shorter contributions are from those … Continue reading →

Posted in allometry, Complexity, Emergence, Hierarchy, power laws, Scaling | Leave a comment