Category Archives: power laws

Agglomeration, The Keys to the Good City?

In CASA, in a project lead by Clementine Cottineau, we are working how economic and social attributes of cities scale with size. This is one of our longstanding foci in our ERC Mechanicity Work and it will also be central … Continue reading

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

On the Problem of City Boundaries

Paolo Masucci led this study based on defining city boundaries – one of the key research issues in CASA on our Mechanicity project – introducing a really simple idea that cities grow to a condensation threshold after which the city is … Continue reading

Posted in allometry, Connectivity, Emergence, Fractals, power laws, Scaling | Leave a comment


Krugman is very, very insightful when it comes to social physics. His NY Times blog on ‘Gravity’ relates to an article by Adam Davidson on how a gravity model is able to simulate trade between a place called Kanesh in … Continue reading

Posted in Complexity, Economies of scale, Flows, Interactions, power laws, Transport Models | Leave a comment