Introduction and Overview; A.Oyejide, I.Elbadawi and S.Yeo A Review of Regional Integration Expense in SubSaharan Africa: A Case-Study of the West African States (ECOWAS); C.Jebuni, C.Soludo and W.Ogunkola CEAO/UEMOA Within ECOWAS: The Road Ahead Towards West African Economic Integration; A.M'bet Collaborative Project on Regional Integration and Trade Liberalization in SubSaharan Africa UDEAC Case-Study; B.Decaluwe, D.Njinkeu, J.Cockburn and L.Bela Regional Integration and Economic Liberalization in Eastern and Southern Africa; L.Kasekende, N.Ng'eno and N.Lipumba The Southern African Customs Union; N.Mwase and G.Massdorp Regional Integration and Trade Liberalization in SubSaharan Africa: Regional Case Study a SADC; W.Lyakurwa Cross-Border Trade and Regional Integration: Welfare Analysis; J.Azam Index