Notes, Comments and Preliminary results Jul 13 2026 Issa Dianda , Gnanderman Sirpe and Nouhoun Maiga   The heterogeneous effect of natural resource rents on vulnerable employment in sub-Saharan Africa: Does the quality of institutions matter?   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Sep 30 2025 Maïga Nouhoun Oumarou   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