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The International Institute of Tropical Agriculture (IITA) and its research-for-development partners have made substantial contributions to food security, poverty reduction and environmental protection in sub-Saharan Africa. Technologies developed and largely diffused include high yielding variet...


Nkamleu, G.B.Coulibaly, O.Sanogo, D.Manyong, Victor M.Alene, Arega D.[Ex post impact assessment of agricultural research in subSaharan Africa: the IITA experience]Ex post impact assessment of agricultural research in subSaharan Africa: the IITA experience
Autor: Nkamleu, G.B.

The paper examines the economic performance of a large number of African countries using an international comparable data set and the latest technique for analysis. The paper focuses on growth in total factor productivity and its decomposition into technical change and efficiency change component...


Nkamleu, G.B.[Productivity growth, technical progress, and efficiency change in Africa agriculture]Productivity growth, technical progress, and efficiency change in Africa agriculture
Autor: Nkamleu, G.B.

The link between poverty and child labor has traditionally been regarded as well established but recent researches have questioned its validity, suggesting that child labor is more important in the richest households (wealth paradox). The present study revisits the link between poverty and farm c...


Nkamleu, G.B.[Poverty and child farm labour in Africa: wealth paradox or bad orthodox]Poverty and child farm labour in Africa: wealth paradox or bad orthodox

This paper presents empirical evidence on the impact of socio-economic factors on the adoption of agroforestry practices in Cameroon. The analysis uses primary farm-level data collected from June to December 1996. Three major provinces of the country were covered, namely Centre, Southwest and Nor...


Nkamleu, G.B.Manyong, Victor M.[Factors affecting adoption of agroforestry practices by farmers in Cameroon]Factors affecting adoption of agroforestry practices by farmers in Cameroon
Autor: Nkamleu, G.B.

Much of the technical work on integrated soil nutrient management in sub-Saharan Africa has not considered the determinants of farmers’ adoption decisions. It is important that technical research on these integrated soil nutrient management options be guided by consideration of the factors that d...


Nkamleu, G.B.[Modeling farmers’ decisions on integrated soil nutrient management in sub-Saharan Africa: a multinomial logit analysis in Cameroon]Modeling farmers’ decisions on integrated soil nutrient management in sub-Saharan Africa: a multinomial logit analysis in Cameroon
Gockowski, J.Kehoe, Y.Mva Mva, J.Nkamleu, G.B.Abenyega, O.Oduwole, S.[Cocoa contribution to sustainable development in West Africa]Cocoa contribution to sustainable development in West Africa

Cet Journal Article propose une analyse empirique de l’adoption des technologies de transformation de l’igname. L’étude, qui est l’une des rares analyse dans le domaine de l’igname à s’intéresser à l’adoption des procédés de transformation, explore les liens entre les caractéristiques sociales, c...

Yam processing technology adoption: the case of yam chip flour production in northern of Côte d’Ivoire. This Journal Article provides an empirical analysis of yam processing technology adoption. The study, one of the few in the field of yams which analyses the processing technology ado...


Monney, R.F.Coulibaly, S.Sylla, K.Diallo, S.S.Nkamleu, G.B.[Determinants de ladoption des technologies de transformation de ligname: cas de la transformation en cossettes et en farine au nord de la Cote Divoire]Determinants de ladoption des technologies de transformation de ligname: cas de la transformation en cossettes et en farine au nord de la Cote Divoire
Gockowski, J.Nyemeck, J.Florent, D.K.Nkamleu, G.B.[Income and collective action: group sales and farmer field schools in the cocoa sectors of Cameroon and Cote dIvoire]Income and collective action: group sales and farmer field schools in the cocoa sectors of Cameroon and Cote dIvoire
Nkamleu, G.B.Annang, D.Bacco, N.M.[Securing livelihoods through yams: proceedings of a technical workshop on progress in yam research for development in west and central Africa held in Accra, Ghana.]Securing livelihoods through yams: proceedings of a technical workshop on progress in yam research for development in west and central Africa held in Accra, Ghana.

This paper uses survey data to examine the technical efficiency and productivity potential of cocoa farmers in West and Central Africa. Separate stochastic frontier models are estimated for farmers in Cameroon, Ghana, Nigeria, and Côte d’Ivoire, along with a stochastic metaproduction frontier to ...


Binam, Joachim N.Gockowski, J.Nkamleu, G.B.[Technical efficiency and productivity potential of cocoa farmers in West African countries]Technical efficiency and productivity potential of cocoa farmers in West African countries

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