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The direct and indirect effects of mobile phone ownership on maize yields in Tanzania

By: Contributor(s): Material type: ArticleLanguage: English Publication details: United States of America : Cambridge University Press, 2025.ISSN:
  • 1074-0708
  • 2056-7405 (Online)
Subject(s): Online resources: In: Agricultural Economics United States of America : Cambridge University Press, 2025. v. 57, no. 3, p. 371 - 392Summary: The study uses the Living Standards Measurement Study–Integrated Surveys on Agriculture to evaluate mobile phone ownership’s direct and indirect effect on yields in Tanzania. The results indicate that transitioning from not owning to owning a mobile phone improves maize yields by about 16%. Mobile phones indirectly affect maize yield by facilitating farmers’ access to extension services – regardless of the type of provider – but only account for about 2% of the total effects. Considering both direct and indirect effects, this study suggests that extension services partially moderate this causal relationship. Further, the impact of mobile phones is stronger among male-headed farm households.
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The study uses the Living Standards Measurement Study–Integrated Surveys on Agriculture to evaluate mobile phone ownership’s direct and indirect effect on yields in Tanzania. The results indicate that transitioning from not owning to owning a mobile phone improves maize yields by about 16%. Mobile phones indirectly affect maize yield by facilitating farmers’ access to extension services – regardless of the type of provider – but only account for about 2% of the total effects. Considering both direct and indirect effects, this study suggests that extension services partially moderate this causal relationship. Further, the impact of mobile phones is stronger among male-headed farm households.

Text in English

Kassie, M. : No CIMMYT Affiliation

Swiss Agency for Development and Cooperation (SDC) German Agency for International Cooperation (GIZ) Australian Centre for International Agricultural Research (ACIAR) Federal Ministry for Economic Cooperation and Development (BMZ) Government of the Republic of Kenya

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