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Impact économique de la COVID‐19 au Cameroun: Les résultats du modèle SIR‐macro

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  • Donald Kemajou Njatang

Abstract

L'objectif de ce papier est d'analyser l'impact économique de la pandémie de COVID‐19 au Cameroun. Pour ce faire, deux extensions du modèle SIR‐macro proposé par Eichenbaum et al. (2020b) sont utilisées. La première extension inscrit le modèle SIR‐macro dans le cadre néoclassique avec concurrence monopolistique; et la deuxième, dans le cadre néokeynésien avec rigidités nominales des prix à la Calvo (1983). Contrairement aux modèles DSGE ou CGE largement utilisés jusqu'ici pour évaluer l'impact économique de la COVID‐19 dans les économies africaines, ces extensions du modèle SIR‐macro combinent le modèle d'épidémiologie SIR (Suseptibles‐Infectious‐Recovered) de McKendrick and Kermack (1927) et le modèle des Cycles Réels (RBC) afin de prendre en compte les décisions économiques des personnes non‐infectées, infectées et guéries de la maladie comme facteurs explicatifs de la propagation de la pandémie. Pour mieux apprécier l'impact de la pandémie actuelle, cette recherche explore trois scénarios. Les résultats révèlent que, quel que soit le scénario considéré, le choc de la COVID‐19 entrainera une récession de l'économie camerounaise sur deux trimestres consécutifs. Sur cette période, l'ampleur de la récession serait légèrement plus prononcée dans le modèle SIR‐macro néokeynésien que dans le modèle SIR‐macro néoclassique.

Suggested Citation

  • Donald Kemajou Njatang, 2021. "Impact économique de la COVID‐19 au Cameroun: Les résultats du modèle SIR‐macro," African Development Review, African Development Bank, vol. 33(S1), pages 126-138, April.
  • Handle: RePEc:bla:afrdev:v:33:y:2021:i:s1:p:s126-s138
    DOI: 10.1111/1467-8268.12516
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