The heterogeneous connections model is a generalization of the homogeneous connections model of Jackson and Wolinsky (1996) in which the intrinsic value of each connection is set by a discrete, positive and symmetric function that depends solely on the types of the two end agents. Core periphery...

Social networks frequently demonstrate a core-periphery structure where the set of nodes can be partitioned into a clique (“core”) and an empty network (“periphery”). A possible explanation for the emergence of this structure is provided by introducing type heterogeneity into the basic...