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Effet de la Variabilite de la Temperature et des Precipitations sur le Revenu Net des Cultures Cerealia¨re au Togo : Approche SemiParametrique

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  • Yevesse, Dandonougbo

Abstract

Ce papieranalyse les effets economiquesde la variabilite de la temperature et des precipitations sur le revenu net des principales cultures cerealia¨re au Togo suivant une specification semi-parametrique du moda¨le ricardien.Cette dernia¨re permet d'estimer une forme fonctionnelle flexible de la relation non-lineaire entre le revenu net des exploitants et les variables climatiques, et d'evaluer l'effet de la variabilitedu climat sur le revenu net de ces cultures. En utilisant les donnees du Recensement Nationale Agricole au Togo (RNA, 2013), des temperatures et precipitations issue d'une interpolation spatiale sur l'ensemble des prefectures et des donnees sur les types de sols relatives a chaque localite,les resultats des estimations semi-parametriques reva¨lent une relation non lineaire et complexe de la variabilite de la temperature et des precipitations sur le revenu net des cultures. Par ailleurs, l'association des cultures et la pratique de l'agroforesterie reduisent les effets de la variabilite du climat sur le revenu net des cultures cerealia¨res.Enoutre, la variation de la temperature et des precipitations suivant les scenarios socio-economiques (RCP)entraine une baisse des revenus nets des cultures cerealia¨res.Les predictions montrent que la variabilite a long terme de la temperature et des precipitations aura un impact negatif sur le revenu net et que l'impact sera plus important en 2050 pour l'ensemble des cultures

Suggested Citation

  • Yevesse, Dandonougbo, 2020. "Effet de la Variabilite de la Temperature et des Precipitations sur le Revenu Net des Cultures Cerealia¨re au Togo : Approche SemiParametrique," Working Papers 819a9f04-2b68-4c5a-ab47-d, African Economic Research Consortium.
  • Handle: RePEc:aer:wpaper:819a9f04-2b68-4c5a-ab47-d7148359a9d3
    Note: African Economic Research Consortium
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