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Agricultural Productivity and Food Supply Stability in Sub-Saharan Africa: LSDV and SYS-GMM Approach

Author

Listed:
  • Ogunlesi, Ayodeji
  • Bokana, Koye
  • Okoye, Chidozie
  • Loy, Jens-Peter
Abstract
Food supply fluctuations remain a major challenge in Sub-Saharan Africa (SSA). In this regard, this study empirically examined the impact of agricultural productivity on food security stability in 37 selected countries in SSA from 1990 to 2016, using the pooled, least square dummy variable (LSDV), random and system generalized methods of moments (SYS-GMM) models. The study adopted per-capita food supply variability (PCFSV) as a measure of food security stability while agriculture value-added contribution to gross domestic product (AGVA) and crop production (CRPROD) were selected indicators of agricultural productivity. The LSDV and SYS-GMM model estimations revealed that agricultural productivity and the control factors contributed significantly, though with a mix of positive and negative effects, to food security stability in the selected countries in SSA during the period under review. The LSDV model showed that AGVA had no statistically significant positive effect on food security stability, however, this was corrected in the SYS-GMM model, but with a positive impact. The study concludes that stability in food security is achieved and sustained by improving agricultural productivity. Based on the findings, the study recommended that food security stability should be improved by enhancing agricultural productivity through ensuring effective implementation of pro-agriculture growth policies in SSA

Suggested Citation

  • Ogunlesi, Ayodeji & Bokana, Koye & Okoye, Chidozie & Loy, Jens-Peter, 2018. "Agricultural Productivity and Food Supply Stability in Sub-Saharan Africa: LSDV and SYS-GMM Approach," MPRA Paper 90204, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:90204
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    1. Mutiu A. Oyinlola & Abdulfatai A. Adedeji & Nafisat Olabisi, 2021. "Technology, energy use, and agricultural value addition nexus: an exploratory analysis from SSA countries," Economic Change and Restructuring, Springer, vol. 54(2), pages 457-490, May.

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    More about this item

    Keywords

    Food Supply variability; Agricultural Productivity; Sub-Saharan Africa; Panel System GMM;
    All these keywords.

    JEL classification:

    • E00 - Macroeconomics and Monetary Economics - - General - - - General
    • O1 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development
    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • Q1 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture
    • Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy; Animal Welfare Policy

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