Welfare impacts of improved groundnut varieties adoption and food security implications in the semi-arid areas of West Africa

Jourdain C. Lokossou (), Hippolyte D. Affognon (), Alphonse Singbo (), Michel B. Vabi (), Ayoni Ogunbayo (), Paul Tanzubil (), Alcade C. Segnon (), Geoffrey Muricho (), Haile Desmae () and Hakeem Ajeigbe ()
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Jourdain C. Lokossou: Laval University
Hippolyte D. Affognon: West and Central African Council for Agricultural Research for Development (CORAF)
Alphonse Singbo: Laval University
Michel B. Vabi: International Crops Research Institute for the Semi-Arid Tropics
Ayoni Ogunbayo: International Crops Research Institute for the Semi-Arid Tropics
Paul Tanzubil: International Crops Research Institute for the Semi-Arid Tropics
Alcade C. Segnon: International Crops Research Institute for the Semi-Arid Tropics
Geoffrey Muricho: International Crops Research Institute for the Semi-Arid Tropics
Haile Desmae: International Crops Research Institute for the Semi-Arid Tropics
Hakeem Ajeigbe: International Crops Research Institute for the Semi-Arid Tropics

Food Security: The Science, Sociology and Economics of Food Production and Access to Food, 2022, vol. 14, issue 3, No 9, 709-728

Abstract: Abstract This paper investigates the welfare impacts of improved groundnut adoption in Ghana, Mali, and Nigeria using three-year balanced panel data collected from 2,868 households. We apply the Cragg double hurdle model to understand the adoption process and a fixed-effects instrumental variable approach to estimate the impact on gross margins, household income, per capita income, food security, and poverty. The results show that a 10% increase in the area planted with improved groundnut varieties is associated with a 25.6%, 14.8%, 6.9%, and 23.6% increase in groundnut gross margins, household income, per capita income, and food consumption score, respectively. Likewise, this leads to a 3.6% poverty reduction. The highest average impact is found in Nigeria, followed by Ghana and Mali. Furthermore, disaggregating the impacts by adoption history reveals that households that continuously adopted the improved groundnut varieties benefited more than other categories of adopters. They enjoy a 6.6% poverty reduction compared to 1.9% for households that cultivated improved groundnut varieties for a single year. We conclude that improved groundnut varieties' adoption is a promising pathway for rural poverty alleviation and food security improvement. Hence, encouraging households to adopt improved groundnut varieties for consecutive years could help capitalize on income gains and contribute to raising households above the poverty threshold.

Keywords: Poverty; Food consumption score; Panel data; Technology adoption; Ghana; Mali; Nigeria (search for similar items in EconPapers)
JEL-codes: C33 I32 O13 Q12 (search for similar items in EconPapers)
Date: 2022
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Citations: View citations in EconPapers (3)

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DOI: 10.1007/s12571-022-01255-2

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