Book excerpt: 1. Theories of Capital: The Historical Foundation. 3. 2. Social Capital: Capital Captured through Social Relations. 19. 3. Resources, Hierarchy, Networks, and Homophily: The Structural Foundation. 29. 4. Resources, Motivations, and Interactions: The Action Foundation. 41. 5. The Theory and Theoretical Propositions. 55. 6. Social Capital and Status Attainment: A Research Tradition. 78. 7. Inequality in Social Capital: A Research Agenda. 99. 8. Social Capital and the Emergence of Social Structure: A Theory of Rational Choice. 127. 9. Reputation and Social Capital: The Rational Basis for Social Exchange. 143. 10. Social Capital in Hierarchical Structures. 165. 11. Institutions, Networks, and Capital Building: Societal Transformations. 184. 12. Cybernetworks and the Global Village: The Rise of Social Capital. 210. 13. The Future of the Theory. 243. . References. 251. . Index. 267.