According to Wei$-$Skillern $(2007)$ the key reasons for a social entrepreneur to network are

A growing societal appetite for greater efficiency and increasing demand for documented performance

Increasing demand for documented performance, resource scarcity and a growing societal appetite for greater efficiency

Resource scarcity, growing competition for resources, a growing societal appetite for greater efficiency, and increasing demand for documented performance

Resource scarcity, growing competition for customers, growing competition for resources, and a growing societal appetite for greater efficiency