CLIMATE VARIABILITY, AGRICULTURAL PERFORMANCE AND HEALTH OUTCOMES IN WEST AFRICA

Abdulai K. Idris, Ibrahim A. Odusanya and Babatunde A. Okuneye
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Abdulai K. Idris: Department of Economics, Olabisi Onabanjo University, Ago-Iwoye, Ogun State
Ibrahim A. Odusanya: Department of Economics, Olabisi Onabanjo University, Ago-Iwoye, Ogun State
Babatunde A. Okuneye: Department of Economics, Olabisi Onabanjo University, Ago-Iwoye, Ogun State

Ilorin Journal of Economic Policy, 2026, vol. 13, issue 1, 29-30

Abstract: Variability in climatic conditions is considered a threat to public health. Existing studies have directly linked climate variability to health outcomes. Whereas these past studies have not adequately assessed whether and to what extent agricultural performance mediates the effects of climate variability on health outcomes in West Africa, this study examined the mediating role of agricultural performance in the relationship between climate variability and health outcomes in West Africa, using panel data from 16 countries over the period 1981–2024. A three-step mediation framework within a two-way fixed-effects panel model, estimated with Driscoll–Kraay standard errors, was employed to disentangle direct and indirect effects of climate variability on health outcomes in the region. The results revealed that climate variability exerted significant direct and indirect influences on health outcomes. Temperature anomalies consistently displayed adverse direct effects, reducing life expectancy and increasing infant mortality, whereas precipitation anomalies showed beneficial direct impacts on life expectancy and infant mortality. Also, findings indicated that these effects operated partially through agricultural performance: temperature anomalies negatively affected agricultural performance, while precipitation anomalies enhanced agricultural performance. Agricultural performance was found to partially mediate the effects of climate variability on health outcomes. Based on the findings, West African countries should prioritise investments in climate-resilient farming practices to mitigate indirect health burdens from temperatureinduced agricultural declines, while enhancing agricultural productivity through subsidised access to quality inputs, extension services, and sustainable land-use practices is recommended.

Keywords: Agricultural Performance; Climate Variability; Health Outcomes; Mediation Analysis; Precipitation Anomaly; Rainfall Anomaly; West Africa (search for similar items in EconPapers)
JEL-codes: I15 O13 Q10 Q54 (search for similar items in EconPapers)
Date: 2026
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