Part I1. Overview of the WAEMU, the AndeanC and the CARICOM2. Competition Law in Developing Countries3. Terms and Premises of Regional Competition Law Enforcement4. Structure of the StudyPart II. The Institutional Design of Regional Competition Law Enforcement in the WAEMU, AndeanC and CARICOM5. Dimension I: The Content of Substantive Law6. Dimension II: Legislative Competence on Competition Law7. Dimension III: Organization of Enforcing Agencies8. Dimension IV: Enforcement Procedures of Regional Competition Law in the Narrow Sense9. Dimension V: General Legal Principles Governing the Allocation of Competences in RTAs and the Notion of Time10. Dimension VI: The Notion of Time?Adaptability and Sustainability of Regional Competition Law EnforcementPart III. The Optimal Degree of Centralization and Decentralization: Evaluation of the Three Regional Competition Law Systems with Regard to the Enforcement of Competition Law in Developing Countries11. General Conclusions on the Efficacy of a Regional Competition Law System12. The Optimal Degree of Centralization or Decentralization: Recommendations for and Implications of Certain Institutional Designs13. Proposal on Re-Allocation of Competences in the WAEMU, AndeanC, CARICOM14. Guidelines on the Institutional Design of Regional Competition Law Enforcement