Notes, Comments and Preliminary results Sep 30 2025 Nouhoun Maiga   Analysis of public sector efficiency in Sub-Saharan Africa: Focus on economic performance and stability   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Mar 30 2023 Maiga Nouhoun Oumarou and Sirpe Gnanderman   Optimal size of public expenditure in the countries of the West African Economic and Monetary Union (WAEMU)   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result