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This paper investigates the determinants of adoption of improved cassava varieties in south-western Nigeria. The data come from a farm household survey of 841 households selected using a three-stage stratified random sampiling procedure. The data collection was conducted in 2011 by the Internatio...


Awotide, B.Abdoulaye, TahirouAlene, A.Manyong, Victor M.[Assessing the extent and determinants of adoption of improved cassava varieties in southwestern Nigeria]Assessing the extent and determinants of adoption of improved cassava varieties in southwestern Nigeria

Ainembabazi, John H.Tripathi, L.Rusike, J.Abdoulaye, TahirouManyong, Victor M.[Exante economic impact assessment of genetically modified banana resistant to Xanthomonas wilt in the great lakes region of Africa]Exante economic impact assessment of genetically modified banana resistant to Xanthomonas wilt in the great lakes region of Africa

Abdoulaye, TahirouAbass, A.Maziya-Dixon, B.B.Tarawali, G.Okechukwu, R.U.Rusike, J.Alene, A.Manyong, Victor M.Ayedun, B.[Awareness and adoption of improved cassava varieties and processing technologies in Nigeria]Awareness and adoption of improved cassava varieties and processing technologies in Nigeria

Previous studies on the adoption and impacts of improved crop varieties have relied on self-reported adoption status of the surveyed households. However, in the presence of weak variety maintenance and poorly functioning seed certification system, measurement errors in self-reported adoption stat...


Assfaw Wossen, TesfamichealAlene, A.Abdoulaye, TahirouFeleke, S.Manyong, Victor M.[Agricultural technology adoption and household welfare: measurement and evidence]Agricultural technology adoption and household welfare: measurement and evidence

This study measures the efficiency of intercropping systems of annual and perennial crops production in southern Ethiopia using the stochastic frontier production function (SFP), parametric distance functions (PDF), and data envelopment analysis (DEA), and compares the empirical performances of t...


Alene, A.Manyong, Victor M.Gockowski, J.[The production efficiency of intercropping systems annual and perennial crops in southern Ethiopia: a comparison of distance functions and production frontiers]The production efficiency of intercropping systems annual and perennial crops in southern Ethiopia: a comparison of distance functions and production frontiers

This study links participatory research methods, geographic information systems (GIS) techniques, village and household-level surveys, and a tobit analysis to examine the adoption and impact issues related to a new technology, improved varieties of dual-purpose cowpea (IDPC), developed by Interna...


Kristjanson, Patricia M.Okike, I.Tarawali, Shirley A.Singh, B.Manyong, Victor M.[Farmers perceptions of benefits and factors affecting the adoption of improved dualpurpose cowpea in the dry savannas of Nigeria]Farmers perceptions of benefits and factors affecting the adoption of improved dualpurpose cowpea in the dry savannas of Nigeria

The changes in household income result in a rapid shift in composition of food demanded by the food-secure and food-insecure households. In this paper, we applied popular AIDS model to estimate the budget shares and determinant factors of demand for different food groups. The analysis of food sec...


Ogundapo, A.T.Manyong, Victor M.Kormawa, P.M.Fabiyi, Y.[Household expenditure patterns in the rural areas of Oyo State, Nigeria: evidence of rural households vulnerability to food insecurity]Household expenditure patterns in the rural areas of Oyo State, Nigeria: evidence of rural households vulnerability to food insecurity

This study explores the intra-household impact of improved dual-purpose cowpea (IDPC) from a gender perspective, in terms of productivity and food, fodder, and income availability, the impact of which is linked to the income thus placed in the women’s hands. Surplus income is important in providi...


Tipilda, A.Alene, A.Manyong, Victor M.[Engaging with cultural practices in ways that benefit women in northern Nigeria]Engaging with cultural practices in ways that benefit women in northern Nigeria

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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