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Irrigation Infrastructure and Vineyard Productivity: Evidence using Remote Sensing and Synthetic Difference-in-Differences in Argentina

Author

Listed:
  • Schling, Maja
  • Saenz Somarriba, Magaly
  • De Salvo, Carmine Paolo
  • Chang Huaita, Rodrigo Ysaac

Abstract

This paper evaluates the long-term impact of rehabilitated irrigation canals under Argentinas PROSAP III program on vineyard productivity in San Juan province. We combine 20 years of Landsat-derived NDVI data with survey data from 299 grape producers and apply a synthetic difference-in-differences (SDID) framework to estimate causal effects. Additional robustness checks include propensity score matching and inverse probability weighting. Results indicate that canal rehabilitation increased NDVI by 0.91%, equivalent to yield gains of approximately 144 kilograms per hectare, with peak impacts of 2.5% (386 kg per ha) five years post-intervention. The study highlights the productivity benefits of irrigation investments and demonstrates the value of remote sensing for large-scale agricultural impact evaluations. Findings offer policy-relevant insights for designing and monitoring rural infrastructure programs in water-scarce regions.

Suggested Citation

  • Schling, Maja & Saenz Somarriba, Magaly & De Salvo, Carmine Paolo & Chang Huaita, Rodrigo Ysaac, 2025. "Irrigation Infrastructure and Vineyard Productivity: Evidence using Remote Sensing and Synthetic Difference-in-Differences in Argentina," IDB Publications (Working Papers) 14246, Inter-American Development Bank.
    • Handle: RePEc:idb:brikps:14246
    DOI: http://dx.doi.org/10.18235/0013676
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    JEL classification:

    • O13 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development - - - Agriculture; Natural Resources; Environment; Other Primary Products
    • O22 - Economic Development, Innovation, Technological Change, and Growth - - Development Planning and Policy - - - Project Analysis
    • Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
    • Q15 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Land Ownership and Tenure; Land Reform; Land Use; Irrigation; Agriculture and Environment
    • Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy; Animal Welfare Policy

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