"Sociologists and anthropologists have long been concerned with how individuals are linked to one another and how these bonds of affiliation serve as both a lubricant for getting things done and a glue that provides order and meaning to social life. The attention to networks of association, which began in earnest in the 1970s, provided welcome texture and dynamism to portraits of social life. This work stood in stark contrast to the reigning approaches in the social sciences. In contrast to deterministic cultural (oversocialized) accounts, network analysis afforded room for human agency, and in contrast to individualist, atomized (undersocialized) approaches, networks emphasized structure and constraint (Granovetter, 1985). Network studies offered a middle ground, a third way, even if no one was quite sure whether networks were a metaphor, a method, or a theory (Barnes 1979). But the sociologists and anthropologists who initially studied networks did not pay sustained attention to economic activity, although some industrial sociologists (Roy, 1954; Dalton, 1959) had long stressed the role of informal networks as an antidote to formal organization practices and structures."