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Climate Change and Adaptation: The Case of Nigerian Agriculture

Author

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  • Bosello, Francesco
  • Campagnolo, Lorenza
  • Eboli, Fabio
Abstract
The present research offers an economic assessment of climate change impacts on the four major crop families characterizing Nigerian agriculture, covering more than 80% of agricultural value added. The evaluation is performed shocking land productivity in a computable general equilibrium model tailored to replicate Nigerian economic development until the mid of this century. The detail of land uses in the model has been also increased differentiating land types per agro ecological zones. Uncertainty on future climate is captured, using, as input, yield changes computed by a crop model, covering the whole range of variability produced by an envelope of one RCM and tem GCM runs. Climate change turns to be unambiguously negative for Nigeria in the medium term with production losses, increase in crop prices, higher food dependency on foreign imports and GDP losses in all the simulations after 2025. In a second part of the paper a cost effectiveness analysis of adaptation in Nigeria agriculture is conducted. Adaptation practices considered are a mix of cheaper “soft measures” and more costly “hard” irrigation expansion. The main result is that cost effectiveness of the whole package crucially depends on the possibility to implement adaptation exploiting low cost opportunities. In this case all climate change damages can be offset with a benefit cost ration larger than one in all the climate regimes. Expensive irrigation expansion should however be applied on a much more limited acreage compared with soft measures. If adaptation costs are those of the high end estimates, full adaptation ceases to be cost/effective.This points out the need of a careful planning and implementation of adaptation, irrespectively on the type, looking for measures apt to control its unit cost.

Suggested Citation

  • Bosello, Francesco & Campagnolo, Lorenza & Eboli, Fabio, 2013. "Climate Change and Adaptation: The Case of Nigerian Agriculture," Climate Change and Sustainable Development 148926, Fondazione Eni Enrico Mattei (FEEM).
    • Handle: RePEc:ags:feemcl:148926
    DOI: 10.22004/ag.econ.148926
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    1. repec:ags:aaea22:335532 is not listed on IDEAS
    2. Montaud, Jean-Marc & Pecastaing, Nicolas & Tankari, Mahamadou, 2017. "Potential socio-economic implications of future climate change and variability for Nigerien agriculture: A countrywide dynamic CGE-Microsimulation analysis," Economic Modelling, Elsevier, vol. 63(C), pages 128-142.
    3. Ikhide, Emily Edoisa & Umaru, Ezra K. & Oyebola, Fehintola & Omoju, Oluwasola E., 2021. "A CGE Analysis of the Gender Productivity Gap in Nigeria’s Agriculture Sector," 2021 Conference, August 17-31, 2021, Virtual 315922, International Association of Agricultural Economists.
    4. Mahjoubi, Soufiane & Mkaddem, Chamseddine, 2022. "Impact of climate change on yield production in Algeria: evidence from ARDL empirical approach," MPRA Paper 115565, University Library of Munich, Germany.
    5. Zuzana Smeets-Kristkova & Thom Achterbosch & Marijke Kuiper, 2019. "Healthy Diets and Reduced Land Pressure: Towards a Double Gain for Future Food Systems in Nigeria," Sustainability, MDPI, vol. 11(3), pages 1-31, February.
    6. Dzyuba, Yu. & Bakalova, I., 2023. "CGE models for resource-based economy: A comprehensive bibliometric analysis," Journal of the New Economic Association, New Economic Association, vol. 61(4), pages 12-50.

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    More about this item

    Keywords

    Environmental Economics and Policy;

    JEL classification:

    • C68 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computable General Equilibrium Models
    • Q51 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Valuation of Environmental Effects
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • Q15 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Land Ownership and Tenure; Land Reform; Land Use; Irrigation; Agriculture and Environment

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