In his landmark study of exchange and power in social life, Peter M. Blau contributes to an understanding of social structure by analyzing the social processes that govern the relations between individuals and groups. The basic question that Blau considers is: How does social life become organized into increasingly complex structures of associations among humans.

This analysis, first published in 1964, represents a pioneering contribution to the sociological literature. Blau uses concepts of exchange, reciprocity, imbalance, and power to examine social life and to derive the more...

Crosscutting Social Circles describes a theory of groups' relations to each other, and tests the theory in the 125 largest metropolitan areas In the United States. The focus is on the Influence social structure exerts on intergroup relations. Blau and Schwartz show how role relations are influenced by how people are distributed among social positions. Examples are a community's racial composition, division of labor, ethnic heterogeneity, income Inequality, or the extent to which educational differences are related to income differences. Blau and Schwartz test their theory by...