In mainstream economics: national economic integration is rightly seen as one of the most important development models to rapidly increase the economic performance of EEC or EFTA member countries. In the developing world however, similar efforts have not yet brought about the economic recovery everybody was hoping for. If Regional Economic Cooperation among Developing Countries (RECDC) is successful or not, is apparently determined to a large extent by internal and external factors. This article highlights the economic potential, created by RECDC, in the case of the member countries of SADC, the Southern African Development Community.