Many organizations rely on the skills of innovative individuals to create value, including academic and government institutions, think tanks, and knowledge-based firms. Roughly speaking, workers in these fields can be divided into two categories: specialists, who have a deep knowledge of a...

Collaboration networks provide a method for examining the highly heterogeneous structure of collaborative communities. However, existing models of network formation do not provide a connection between observed network heterogeneity and characteristics of the individuals or communities. The model...