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Within-Season Producer Response to Warmer Temperatures: Defensive Investments by Kenyan Farmers
[Sequential decision making in production models]

Author

Listed:
  • Maulik Jagnani
  • Christopher B Barrett
  • Yanyan Liu
  • Liangzhi You

Abstract

We present evidence that farmers adjust agricultural inputs in response to within-season temperature variation, undertaking defensive investments to reduce the adverse agro-ecological impacts of warmer temperatures. Using panel data from Kenyan maize-growing households, we find that higher temperatures early in the growing season increase the use of pesticides, while reducing fertiliser use. Warmer temperatures throughout the season increase weeding effort. These adjustments arise because greater heat increases the incidence of pests, crop diseases and weeds, compelling farmers to divert investment from productivity-enhancing technologies such as fertiliser to adaptive, loss-reducing, defensive inputs such as pesticides and weeding labour.

Suggested Citation

  • Maulik Jagnani & Christopher B Barrett & Yanyan Liu & Liangzhi You, 2021. "Within-Season Producer Response to Warmer Temperatures: Defensive Investments by Kenyan Farmers [Sequential decision making in production models]," The Economic Journal, Royal Economic Society, vol. 131(633), pages 392-419.
    • Handle: RePEc:oup:econjl:v:131:y:2021:i:633:p:392-419.
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    File URL: http://hdl.handle.net/10.1093/ej/ueaa063
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    Citations

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    Cited by:

    1. Arteaga, Julian & De Roux, Nicolás & Gafaro, Margarita & Ibanez, Ana Maria & Pellegrina, Heitor, 2023. "Temperature Shocks and Land Fragmentation: Evidence from Transaction and Property Registry Data," 2023 Annual Meeting, July 23-25, Washington D.C. 335955, Agricultural and Applied Economics Association.
    2. Michelson, Hope & Gourlay, Sydney & Lybbert, Travis & Wollburg, Philip, 2023. "Review: Purchased agricultural input quality and small farms," Food Policy, Elsevier, vol. 116(C).
    3. Chen, Xiaoguang & Cui, Xiaomeng & Gao, Jing, 2023. "Differentiated agricultural sensitivity and adaptability to rising temperatures across regions and sectors in China," Journal of Environmental Economics and Management, Elsevier, vol. 119(C).
    4. Musa Hasen Ahmed & Wondimagegn Mesfin Tesfaye & Franziska Gassmann, 2023. "Early growing season weather variation, expectation formation and agricultural land allocation decisions in Ethiopia," Journal of Agricultural Economics, Wiley Blackwell, vol. 74(1), pages 255-272, February.
    5. Mulubrhan Amare & Priyanka Parvathi & Trung Thanh Nguyen, 2023. "Micro insights on the pathways to agricultural transformation: Comparative evidence from Southeast Asia and Sub‐Saharan Africa," Canadian Journal of Agricultural Economics/Revue canadienne d'agroeconomie, Canadian Agricultural Economics Society/Societe canadienne d'agroeconomie, vol. 71(1), pages 69-87, March.
    6. Kan, Iddo & Reznik, Ami & Kaminski, Jonathan & Kimhi, Ayal, 2023. "The impacts of climate change on cropland allocation, crop production, output prices and social welfare in Israel: A structural econometric framework," Food Policy, Elsevier, vol. 115(C).
    7. Chen, Xiaoguang & Cui, Xiaomeng & Gao, Jing, 2023. "Differentiated Agricultural Sensitivity and Adaptability to Rising Temperatures across Regions and Sectors in China," 2023 Annual Meeting, July 23-25, Washington D.C. 335522, Agricultural and Applied Economics Association.
    8. Joshua D. Merfeld, 2023. "Labor elasticities, market failures, and misallocation: Evidence from Indian agriculture," Agricultural Economics, International Association of Agricultural Economists, vol. 54(5), pages 623-637, September.
    9. Amare, Mulubrhan & Balana, Bedru, 2023. "Climate change, income sources, crop mix, and input use decisions: Evidence from Nigeria," Ecological Economics, Elsevier, vol. 211(C).
    10. Li, Man, 2023. "Adaptation to expected and unexpected weather fluctuations: Evidence from Bangladeshi smallholder farmers," World Development, Elsevier, vol. 161(C).
    11. Arndt Feuerbacher & Jonas Luckmann, 2023. "Labour‐saving technologies in smallholder agriculture: An economy‐wide model with field operations," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 67(1), pages 56-82, January.

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