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Manda, J.Alene, Arega D.Gardebroek, C.Kassie, M.Tembo, G.[Adoption and impacts of sustainable agricultural practices on maize yields and incomes: evidence from rural Zambia]Adoption and impacts of sustainable agricultural practices on maize yields and incomes: evidence from rural Zambia

Cowpea covers the largest area of any grain legume in Africa and is especially important in West Africa where Nigeria and Niger alone account for over 75% of the total cowpea production in the world. Despite successes of international and national cowpea improvement research in the development an...


Manda, J.Alene, A.Hirpa Tufa, A.Abdoulaye, TahirouKamara, A.Olufajo, O.Boukar, O.Manyong, Victor M.[Adoption and ex-post impacts of improved cowpea varieties on productivity and net returns in Nigeria]Adoption and ex-post impacts of improved cowpea varieties on productivity and net returns in Nigeria

This study investigates the impact of improved maize varieties on household food security in eastern Zambia using household survey data from a sample of over 800 rural households. Since treatment effect estimates are often prone to misspecification in either the treatment or outcome equation, we ...


Manda, J.Gardebroek, C.Kuntashula, E.Alene, A.[Impact of improved maize varieties on food security in eastern Zambia: a doubly robust analysis]Impact of improved maize varieties on food security in eastern Zambia: a doubly robust analysis

This paper examines the welfare impacts of improved groundnut varieties in eastern Zambia using data from a survey of over 600 households. We use the stratification-multilevel, matching-smoothing, and smoothing-differencing methods to analyse how treatment effects vary with the propensity to adop...


Manda, J.Khonje, M.G.Alene, Arega D.Gondwe, T.N.P.[Welfare impacts of improved groundnut varieties in eastern Zambia: a heterogeneous treatment effects approach]Welfare impacts of improved groundnut varieties in eastern Zambia: a heterogeneous treatment effects approach

This paper analyses the link between gender differences and different activities along the cowpea value chain as well as food security and asset-based poverty using a recent cross-sectional data set of over 120 farm households in Eastern Zambia. We used the endogenous switching probit regression ...


Gondwe, T.N.P.Tegbaru, A.Alamu, E.O.Khonje, M.Manda, J.Gaya, H.[Correlates and consequences of women’s participation in the cowpea value chain in eastern Zambia]Correlates and consequences of women’s participation in the cowpea value chain in eastern Zambia

This paper analyzes the adoption and welfare impacts of improved maize varieties in eastern Zambia using data obtained from a sample of over 800 farm households. Using both propensity score matching and endogenous switching regression models, the paper shows that adoption of improved maize leads ...


Khonje, M.Manda, J.Alene, Arega D.Kassie, M.[Analysis of adoption and impacts of improved maize varieties in Eastern Zambia]Analysis of adoption and impacts of improved maize varieties in Eastern Zambia

This paper estimates the welfare impacts of adoption of maize-soybean rotation in eastern Zambia using data from on-farm trials and household survey data collected from over 800 households. The on-farm trials were conducted from 2012 to 2015 while the household survey was conducted in 2012. The s...


Manda, J.Alene, Arega D.Mukuma, C.Chikoye, D.[Ex-ante welfare impacts of adopting maize-soybean rotation in eastern Zambia]Ex-ante welfare impacts of adopting maize-soybean rotation in eastern Zambia

Using household survey data from a sample of 810 households, this paper analyses the determinants of children’s nutritional status and evaluates the impacts of improved maize varieties on child malnutrition in eastern Zambia. The paper uses an endogenous switching regression technique, combined w...


Manda, J.Gardebroek, C.Khonje, M.G.Alene, A.Mutenje, M.Kassie, M.[Determinants of child nutritional status in the eastern province of Zambia: the role of improved maize varieties]Determinants of child nutritional status in the eastern province of Zambia: the role of improved maize varieties

Using plot level panel data and multinomial endogenous switching regression, this article analyzes the adoption and welfare impacts of multiple agricultural technologies in eastern Zambia. We adapt a multinomial endogenous switching/treatment effect regression framework to correct for selection b...


Khonje, M.G.Manda, J.Mkandawire, P.Tufa, A.H.Alene, Arega D.[Adoption and welfare impacts of multiple agricultural technologies: evidence from eastern Zambia]Adoption and welfare impacts of multiple agricultural technologies: evidence from eastern Zambia

Adoption of improved agricultural technologies has long been recognized as critical for reducing poverty through increased productivity, incomes, and asset accumulation. Using a nationally representative survey data from a sample of over 1500 households in Nigeria, this paper evaluates the impact...


Manda, J.Alene, A.D.Tufa, A.H.Abdoulaye, TahirouWossen, T.Chikoye, D.Manyong, Victor M.[The poverty impacts of improved cowpea varieties in Nigeria: a counterfactual analysis]The poverty impacts of improved cowpea varieties in Nigeria: a counterfactual analysis

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