Economists assume that people make choices based on their preferences and their budget constraints. The preferences and values of others play no role in the standard economic model. This feature has been sharply criticized by other social scientists, who believe that the choices people make are also conditioned by social and cultural forces. Economists, meanwhile, are not satisfied with standard sociological and anthropological concepts and explanations because they are not embedded in a testable, analytic framework.

In this book, Gary Becker and Kevin Murphy provide such a framework...