Blau, Peter M. 1977. Inequality and Heterogeneity: A Primitive Theory of Social Structure. New York: Free Press.
Fehr, Ernst, Klaus M. Schmidt. 2006. The Economics of Fairness, Reciprocity and Altruism: Experimental Evidence and New Theories. In: Handbook of the Economics of Giving, Altruism and Reciprocity, Vol. 1. Serge-Christophe Kolm, Jean Mercier Ythier, eds, 615-691. Elsevier.
Jasso, Guillermina. 1982. Measuring Inequality: Using the Geometric Mean/Arithmetic Mean Ratio. Sociological Methods and Research, 10, 3: 303-326.
Skvoretz, John, Thomas J. Fararo. 1986. Inequality and Association: A Biased Net Theory. Current Perspectives in Social Theory, 7: 29-50.
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