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Welfare impacts of improved groundnut varieties in eastern Zambia: A heterogeneous treatment effects approach

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  • Julius Manda
  • Makaiko G. Khonje
  • Arega D. Alene
  • Therese Gondwe

Abstract

This paper examines the welfare impacts of improved groundnut varieties in eastern Zambia using data from a survey of over 600 households. We use the stratification-multilevel, matching-smoothing, and smoothing-differencing methods to analyse how treatment effects vary with the propensity to adopt improved groundnut varieties. We find consistent results across the models indicating that crop yields and incomes increase significantly with the propensity to adopt improved groundnut varieties. The results point to the need for policies and strategies that increase access to market information and overcome the constraints to adoption for realising the benefits from improved groundnut varieties in Zambia.

Suggested Citation

  • Julius Manda & Makaiko G. Khonje & Arega D. Alene & Therese Gondwe, 2017. "Welfare impacts of improved groundnut varieties in eastern Zambia: A heterogeneous treatment effects approach," Agrekon, Taylor & Francis Journals, vol. 56(4), pages 313-329, October.
    • Handle: RePEc:taf:ragrxx:v:56:y:2017:i:4:p:313-329
    DOI: 10.1080/03031853.2017.1400447
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    Cited by:

    1. Felister Y. Tibamanya & Mursali A. Milanzi & Arne Henningsen, 2021. "Drivers of and Barriers to Adoption of Improved Sun- flower Varieties amongst Smallholder Farmers in Singida, Tanzania: the Double-Hurdle Approach," IFRO Working Paper 2021/03, University of Copenhagen, Department of Food and Resource Economics.
    2. Ayala Wineman & Timothy Njagi & C. Leigh Anderson & Travis W. Reynolds & Didier Yélognissè Alia & Priscilla Wainaina & Eric Njue & Pierre Biscaye & Miltone W. Ayieko, 2020. "A Case of Mistaken Identity? Measuring Rates of Improved Seed Adoption in Tanzania Using DNA Fingerprinting," Journal of Agricultural Economics, Wiley Blackwell, vol. 71(3), pages 719-741, September.
    3. Manda, Julius & Tufa, Adane & Alene, Arega & Swai, Elirehema & Muthoni, Francis & Hoeschle-Zeledon, Irmgard & Mateete, Bekunda, 2021. "The Average and Distributional Impacts of Soil and Water Conservation Technologies on the Welfare of Smallholder Farmers in Tanzania," 2021 Conference, August 17-31, 2021, Virtual 314992, International Association of Agricultural Economists.
    4. Manda, Julius & Alene, Arega D. & Tufa, Adane H. & Abdoulaye, Tahirou & Wossen, Tesfamicheal & Chikoye, David & Manyong, Victor, 2019. "The poverty impacts of improved cowpea varieties in Nigeria: A counterfactual analysis," World Development, Elsevier, vol. 122(C), pages 261-271.
    5. Jourdain C. Lokossou & Hippolyte D. Affognon & Alphonse Singbo & Michel B. Vabi & Ayoni Ogunbayo & Paul Tanzubil & Alcade C. Segnon & Geoffrey Muricho & Haile Desmae & Hakeem Ajeigbe, 2022. "Welfare impacts of improved groundnut varieties adoption and food security implications in the semi-arid areas of West Africa," Food Security: The Science, Sociology and Economics of Food Production and Access to Food, Springer;The International Society for Plant Pathology, vol. 14(3), pages 709-728, June.

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