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  • MPI Bildungsforschung  (3)
  • SB Hennigsdorf
  • Bundesarchiv
  • Medienzentrum Ostprignitz-Ruppin
  • Otsuka, Keijiro  (3)
  • 1
    UID:
    gbv_83497570X
    Format: Online-Ressource (32 p)
    Edition: 2012 World Bank eLibrary
    Content: In Africa, most development strategies include efforts to improve the productivity of staple crops grown on smallholder farms. An underlying premise is that small farms are productive in the African context and that smallholders do not forgo economies of scale-a premise supported by the often observed phenomenon that staple cereal yields decline as the scale of production increases. This paper explores a research design conundrum that encourages researchers who study the relationship between productivity and scale to use surveys with a narrow geographic reach, when policy would be better served with studies based on wide and heterogeneous settings. Using a model of endogenous technology choice, the authors explore the relationship between maize yields and scale using alternative data. Since rich descriptions of the decision environments that farmers face are needed to identify the applied technologies that generate the data, improvements in the location specificity of the data should reduce the likelihood of identification errors and biased estimates. However, the analysis finds that the inverse productivity hypothesis holds up well across a broad platform of data, despite obvious shortcomings with some components. It also finds surprising consistency in the estimated scale elasticities
    Additional Edition: Larson, Donald F Should African Rural Development Strategies Depend on Smallholder Farms?
    Language: English
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 2
    UID:
    gbv_1724864459
    Format: 1 Online-Ressource (32 p)
    Series Statement: World Bank E-Library Archive
    Content: Improving the productivity of smallholder farms in Sub-Saharan Africa offers the best chance to reduce poverty among this generation of rural poor, by building on the limited resources farming households already possess. It is also the best and shortest path to meet rising food needs. Using examples from farmers' maize and rice fields, and comparisons with Asia, this paper examines why the set of technologies promoted to date have produced localized successes rather than transformational change. The paper explains the limitations of alternative policies that are not centered on small farms. It provides indicative examples of how resource-management technologies can supplement seed-fertilizer technologies to speed an African Green Revolution
    Additional Edition: Erscheint auch als Druck-Ausgabe Larson, Donald F On the Central Role of Small Farms in African Rural Development Strategies Washington, D.C : The World Bank, 2016
    Language: English
    URL: Volltext  (Deutschlandweit zugänglich)
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  • 3
    UID:
    gbv_834968630
    Format: Online-Ressource (34 p)
    Edition: 2010 World Bank eLibrary
    Content: Asia's green revolution in rice was transformational and improved the lives of millions of poor households. Rice has become an increasingly important part of African diets and imports of rice have grown. Agronomists point out that large areas in Africa are well suited for rice and are encouraged by the field tests of new rice varieties. So is Africa poised for its own green revolution in rice? This study reviews the recent literature on rice technologies and their impact on productivity, incomes, and poverty, and compares current conditions in Africa with the conditions that prevailed in Asia as its rice revolution got under way. An important conclusion is that, to a degree, a rice revolution has already begun in Africa. Moreover, many of the same practices that have proved successful in Asia and in Africa can be applied where yields are currently low. At the same time, for many reasons, Africa's rice revolution has been, and will continue to be, characterized by a mosaic of successes, situated where the conditions are right for new technologies to take hold. This can have profound effects in some places. But because diets, markets, and geography are heterogeneous in Africa, the successful transformation of the Africa's rice sector must be matched by productivity gains in other crops to fully launch Africa's Green Revolution
    Additional Edition: Larson, Donald F Can Africa replicate Asia's green revolution in rice?
    Language: English
    URL: Volltext  (Deutschlandweit zugänglich)
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