The Matthew effect describes the phenomenon that in societies, the rich tend to get richer
and the potent even more powerful. It is closely related to the concept of preferential …

The moment when the hyperconnectedness of our world became most evident to me was on
October 20th, 2011, when images of the death of Colonel Muammar el-Qaddafi, the former …

Network concepts are central to at least three challenges of interest in the sustainability
science literature: how to link knowledge with action, how to enhance collective action, and …

The principle that 'popularity is attractive'underlies preferential attachment, which is a
common explanation for the emergence of scaling in growing networks. If new connections …

This article investigates the role of power and ideology in the endogenous formation of
policy networks. According to the Advocacy Coalition Framework (ACF), shared ideology …

Seemingly similar individuals often experience drastically different success trajectories, with
some repeatedly failing and others consistently succeeding. One explanation is preexisting …

The probability distribution of number of ties of an individual in a social network follows a
scale-free power-law. However, how this distribution arises has not been conclusively …

Online social networking sites such as Facebook and MySpace have become increasingly
popular, with close to 500 million users as of August 2008. The introduction of the Facebook …

Social Networks: An Introduction is the first textbook that combines new with still-valuable
older methods and theories. Designed to be a core text for graduate (and some …

The concept of preferential attachment is behind the hubs and power laws seen in many
networks. New results fuel an old debate about its origin, and beg the question of whether it …