I. Issues and Data -- 1. Markets and Traders -- 2. Market Transactions as Contracts -- 3. The Data -- II. Contract Enforcement -- 4. Evidence from Case Studies in Ghana, Kenya, and Zimbabwe -- 5. Evidence from African Manufacturers -- 6. Evidence from Agricultural Traders -- 7. Inventories and Contractual Risk -- III. Trust and Relationships -- 8. The Formation of Trust -- 9. Trust and Business -- 10. Relationships and Agricultural Trade -- IV. Information Sharing -- 11. Markets and Information -- 12. Decentralized Reputational Penalties -- 13. Information Sharing and Socialization -- V. Networks and Markets -- 14. Market Formation -- 15. Business Networks in Africa -- 16. Returns to Network Capital in Agricultural Trade -- VI. Ethnicity and Discrimination -- 17. Discrimination and Networks -- 18. Supplier Credit and Ethnicity -- 19. Discrimination and Networks in African Manufacturing -- 20. Discrimination and Networks in Agricultural Trade.

21. Finance, Investment, and Networks -- VII. Conclusions and Policy Implications -- 22. What Have We Learned? -- 23. Policy Implications.