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Farm Size Distribution, Weather Shocks, and Agricultural Productivity

Author

Listed:
  • Arteaga Vallejo, Julian Gabriel
  • De Roux, Nicolas
  • Gáfaro, Margarita
  • Ibáñez, Ana María
  • Pellegrina, Heitor S.

Abstract

We study how weather shocks affect the farm-size distribution and agricultural productivity. Using survey data from several developing countries, we document new empirical patterns in farm-size dynamics and the effect of weather shocks. Drawing on unique administrative data from Colombia with land-transaction records, census-based farm sizes, and household surveys on consumption and investment, we show that shocks intensify land market activity and increase the number of small farms, reducing average farm size within regions. We calibrate a heterogeneous-agent model that endogenizes the farm-size distribution and use it to study mechanisms and the dynamic effects of weather shocks and climate change.

Suggested Citation

  • Arteaga Vallejo, Julian Gabriel & De Roux, Nicolas & Gáfaro, Margarita & Ibáñez, Ana María & Pellegrina, Heitor S., 2026. "Farm Size Distribution, Weather Shocks, and Agricultural Productivity," IDB Publications (Working Papers) 14583, Inter-American Development Bank.
    • Handle: RePEc:idb:brikps:14583
    DOI: http://dx.doi.org/10.18235/0014008
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    More about this item

    JEL classification:

    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • Q15 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Land Ownership and Tenure; Land Reform; Land Use; Irrigation; Agriculture and Environment
    • Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
    • Q54 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Climate; Natural Disasters and their Management; Global Warming
    • D24 - Microeconomics - - Production and Organizations - - - Production; Cost; Capital; Capital, Total Factor, and Multifactor Productivity; Capacity

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