Climate Change and Agricultural Productivity in West Africa

Chimere Iheonu (), Simplice Asongu, Ekene Emeka () and Ebuka Orjiakor ()
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Chimere Iheonu: Research Analyst, Kwakol, Abuja, Nigeria
Ekene Emeka: University of Nigeria, Nsukka, Nigeria
Ebuka Orjiakor: University of Nigeria, Nsukka, Nigeria

No 22/065, Working Papers from European Xtramile Centre of African Studies (EXCAS)

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.

Keywords: Climate Change; Temperature; Agricultural Productivity; West Africa; Augmented Mean Group; Common Correlated Effect Mean Group (search for similar items in EconPapers)
Pages: 23
Date: 2022-01
New Economics Papers: this item is included in nep-afr, nep-agr, nep-eff and nep-env
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http://publications.excas.org/RePEc/exs/exs-wpaper ... y-in-West-Africa.pdf Revised version, 2022 (application/pdf)

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Working Paper: Climate Change and Agricultural Productivity in West Africa (2022)
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