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The economic impact of cowpea research in Senegal: an ex‐post analysis with disadoption

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  • K. Boys
  • M. Faye
  • J. Fulton
  • J. Lowenberg‐DeBoer

Abstract

This study evaluates the impact of a long‐term research collaboration between the Senegalese Institute for Agriculture Research (ISRA), and the Bean/Cowpea Collaborative Research Support Program (CRSP) funded by the U.S. Agency for International Development (USAID). Adoption of the primary outputs from this collaboration, a nonchemical cowpea storage method and two short‐season cowpea varieties, were tracked through a series of farmer interviews in 1996, 1997, and 2004 in the main cowpea growing area of Senegal. Combined with information from an impact assessment in the late 1980s, this study draws on ex‐post adoption data from most of the product life cycle for the storage technology. The 2004 survey found that 60.4% of cowpea production in the main cowpea growing area of Senegal is stored in metal drums and that 69% of households use this storage technology; ISRA/CRSP improved short season varieties were determined to account for 3.6% of cowpea production. Baseline economic analysis of the most recent survey data, which includes benefits and costs of the storage technology and improved varieties, reveal an IRR to donor funding of 13%. The benefits of these technologies appear to be evenly distributed in the rural population on the basis of gender and ethnic background. Comparison of the rates of technology adoption over time, however, reveals that use of the storage technology may be decreasing; inclusion of this technology disadoption trend reduces the IRR by only 0.4% from the baseline estimate. Overall, estimated returns reveal that this collaboration has been a good investment for the U.S. and Senegalese governments, and other donors.

Suggested Citation

  • K. Boys & M. Faye & J. Fulton & J. Lowenberg‐DeBoer, 2007. "The economic impact of cowpea research in Senegal: an ex‐post analysis with disadoption," Agricultural Economics, International Association of Agricultural Economists, vol. 36(3), pages 363-375, May.
    • Handle: RePEc:bla:agecon:v:36:y:2007:i:3:p:363-375
    DOI: 10.1111/j.1574-0862.2007.00213.x
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    References listed on IDEAS

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    1. Mazzucato, Valentina & Ly, Samba, 1994. "An Economic Analysis of Research and Technology Transfer of Millet, Sorghum, and Cowpeas in Niger," Food Security International Development Working Papers 54730, Michigan State University, Department of Agricultural, Food, and Resource Economics.
    2. Sterns, James A. & Bernsten, Richard H., 1994. "Assessing the Impact of Cowpea and Sorghum Research and Extension in Northern Cameroon," Food Security International Development Working Papers 54727, Michigan State University, Department of Agricultural, Food, and Resource Economics.
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    Cited by:

    1. Daniel F. Mooney & Scott M. Swinton & Cristian Subía & Eduardo Peralta, 2022. "Returns to Disease Resistance Research When Pest Management Is an Option," Sustainability, MDPI, vol. 14(5), pages 1-15, March.
    2. Magen, Benjamin B., 2012. "An Ex Post Economic Impact Assessment of Bean/Cowpea Crsp’s Investment on Varietal Development in Senegal," Graduate Research Master's Degree Plan B Papers 142739, Michigan State University, Department of Agricultural, Food, and Resource Economics.
    3. Assane Beye & Pape Bilal Diakhate & Omar Diouf & Aliou Faye & Augustine K. Obour & Zachary P. Stewart & Yared Assefa & Doohong Min & Pagadala V. V. Prasad, 2022. "Socio-Economic Constraints of Adopting New Cowpea Varieties in Three Agro-Ecological Zones in the Senegalese Peanut Basin," Sustainability, MDPI, vol. 14(21), pages 1-17, November.
    4. An, Henry, 2008. "The Adoption and Disadoption of Recombinant Bovine Somatotropin in the U.S. Dairy Industry," 2008 Annual Meeting, July 27-29, 2008, Orlando, Florida 6278, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).

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