How should the mobilization of additional resources be adapted to take beneficiaries' absorption capacities into account? Aid effectiveness has become a crucial concern that has given rise to international initiatives, including the Paris Declaration (OECD, 2005). The emphasis is now placed on coordination between donors (harmonization, alignment) and ownership by the recipient country. Among the set of measures, some are operational, focusing on budgetary support. Experience in Ghana provides lessons both on the advantages and on the limitations of this method. Our discussion stresses the prerequisites: availability skills and a robust information system: two conditions that rarely occur together. It is not yet based on the expression of needs by a base consisting of all stakeholders. The lack of a comprehensive, long-term vision is still a key issue, and improvement should come from better strategy formulation and implementation.