Similarity breeds connection. This principle—the homophily principle—structures network
ties of every type, including marriage, friendship, work, advice, support, information transfer …

Volunteering is any activity in which time is given freely to benefit another person, group or
cause. Volunteering is part of a cluster of helping behaviors, entailing more commitment …

The visibility of news and politics in a Facebook newsfeed depends on the actions of a
diverse set of actors: users, their friends, content publishers such as news organizations …

We predict that people with different political orientations will exhibit systematically different
levels of political homophily, the tendency to associate with others similar to oneself in …

As users interact via social media spaces, like Twitter, they form connections that emerge
into complex social network structures. These connections are indicators of content sharing …

Policy entrepreneurs are energetic actors who engage in collaborative efforts in and around
government to promote policy innovations. Given the enormous challenges now facing …

Games Real Actors Play provides a persuasive argument for the use of basic concepts of
game theory in understanding public policy conflicts. Fritz Scharpf criticizes public choice …

Disentangling the effects of selection and influence is one of social science's greatest
unsolved puzzles: Do people befriend others who are similar to them, or do they become …

Con un lenguaje claro, ameno y accesible, la obra de Donatella della Porta y Mario Diani
sigue siendo, hoy por hoy, una referencia obligada para los investigadores, además de un …

This book examines almost two decades of research using the structural or network
approach to political behavior. Network analysis begins with the assumption that the most …