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Climate Change and Agricultural Productivity in West Africa

Author

Listed:
  • Chimere O. Iheonu

    (Research Analyst, Kwakol, Abuja, Nigeria)

  • Simplice A. Asongu

    (Yaoundé, Cameroon)

  • Ekene T. Emeka

    (University of Nigeria, Nsukka, Nigeria)

  • Ebuka C. Orjiakor

    (University of Nigeria, Nsukka, Nigeria)

Abstract

Agriculture remains one of the major sources of livelihood in West Africa. The sector accounts for a significant share of output and employment in the sub-region. However, extreme weather events have been signaled to affect the sector’s productivity in recent times. In this study, we investigate the heterogeneous long-run relationship between climate change and agricultural productivity in West Africa from 1990 to 2020. Using the Augmented Mean Group (AMG) and the Common Correlated Effect Mean Group (CCEMG) estimators, we show that rising temperatures significantly reduce agricultural productivity in Gambia, Mali, Niger, and Togo. However, after accounting for endogeneity, we find that the negative relationship between temperature and agricultural productivity becomes insignificant for Niger while the positive relationship between rising temperature and agricultural productivity becomes significant for Ghana. Also, the results show that temperature Granger cause agricultural productivity in West Africa. We discussed some policy implications based on these findings.

Suggested Citation

  • Chimere O. Iheonu & Simplice A. Asongu & Ekene T. Emeka & Ebuka C. Orjiakor, 2022. "Climate Change and Agricultural Productivity in West Africa," Working Papers of the African Governance and Development Institute. 22/065, African Governance and Development Institute..
    • Handle: RePEc:agd:wpaper:22/065
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    References listed on IDEAS

    as
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    Keywords

    Climate Change; Temperature; Agricultural Productivity; West Africa; Augmented Mean Group; Common Correlated Effect Mean Group;
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