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Political stability, trade openness, and financial development in Sub-Saharan Africa
[Stabilité politique, ouverture commerciale et développement financier en Afrique Subsaharienne]

Author

Listed:
  • Malick Paul Ndiaye

    (UADB - Université Alioune Diop de Bambey)

  • Souleymane Ado Kanta

    (UADB - Université Alioune Diop de Bambey)

Abstract

Résumé : Cette étude examine l'effet de la stabilité politique, de l'ouverture commerciale et de leur interaction sur le développement financier en Afrique subsaharienne. L'étude porte sur des données de panel, constituée de 40 pays d'Afrique subsaharienne (ASS) sur une période de vingt-huit ans allant de 1995 à 2022. Le modèle dynamique par la méthode des moments généralisés GMM (General Method of Moment) en système de Blundel et Bond (1998) est utilisé pour mener l'étude. Les résultats montrent que la stabilité politique et absence de violence (SPeAV) exerce un effet négatif et significatif sur le crédit au secteur privé, tandis que l'ouverture commerciale (lOuvC) influe positivement et significativement. L'interaction entre stabilité politique et ouverture commerciale (SP_OC) est également positive et significative, indiquant que la stabilité politique devient favorable au développement financier lorsqu'elle est associée à une plus grande ouverture commerciale. Les tests de robustesse par revenu et région confirment la solidité de ces résultats. L'étude suggère que les politiques publiques devraient combiner stabilité politique, ouverture commerciale et promotion du secteur agricole pour stimuler le financement privé et soutenir une croissance durable. Mots clés : Stabilité politique, Ouverture commerciale, Développement financier, Modèle dynamique, interaction. Abstract : This study examines the effect of political stability, trade openness, and their interaction on financial development in Sub-Saharan Africa. The analysis is based on panel data covering 40 Sub-Saharan African countries over a twenty-eight-year period from 1995 to 2022. The study employs a dynamic model estimated using the system Generalized Method of Moments (GMM) approach of Blundell and Bond (1998). The results show that political stability and absence of violence (SPeAV) have a negative and significant effect on private sector credit, while trade openness (lOuvC) has a positive and significant impact. The interaction between political stability and trade openness (SP_OC) is also positive and significant, indicating that political stability becomes favorable to financial development when combined with greater trade openness. Robustness tests by income level and region confirm the reliability of these findings. The study suggests that public policies should combine political stability, trade openness, and promotion of the agricultural sector to stimulate private financing and support sustainable growth. Keywords : Political stability, Trade openness, Financial development, Dynamic model, interaction.

Suggested Citation

  • Malick Paul Ndiaye & Souleymane Ado Kanta, 2025. "Political stability, trade openness, and financial development in Sub-Saharan Africa [Stabilité politique, ouverture commerciale et développement financier en Afrique Subsaharienne]," Post-Print hal-05583578, HAL.
  • Handle: RePEc:hal:journl:hal-05583578
    DOI: 10.5281/zenodo.17925931
    Note: View the original document on HAL open archive server: https://hal.science/hal-05583578v1
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    JEL classification:

    • O55 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - Africa
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • O16 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Financial Markets; Saving and Capital Investment; Corporate Finance and Governance
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
    • O16 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Financial Markets; Saving and Capital Investment; Corporate Finance and Governance
    • O55 - Economic Development, Innovation, Technological Change, and Growth - - Economywide Country Studies - - - Africa
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • O16 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Financial Markets; Saving and Capital Investment; Corporate Finance and Governance
    • G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages

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