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Assessing the impact of international natural resource management research: The Case of Zero Tillage in India's rice-wheat systems

Author

Listed:
  • Vijay Laxmi

    () (Indira Gandhi Institute of Development Research)

  • Olaf Erenstein

    () (International Maize & Wheat Improvement Centre)

Abstract

A conservative ex-ante assessment of supply-shift gains alone (excluding social and environmental gains), shows that the investment in zero tillage (ZT) R&D by the Rice-Wheat Consortium and CIMMYT was highly beneficial with a benefit-cost ratio of 39, a net present value of US$ 94 million and an internal rate of return 57. Sensitivity analysis highlights the influential role of the yield gain, the contribution of reduced tillage (i.e. partial adoption) and the assumed time-lag. Significant positive spillovers of sunk ZT R&D costs - both previous and from elsewhere - also contributed to the high returns. The case thereby highlights the potential gains from successful technology transfer and adaptation. The case however also underscores that international NRM research can have a high return, particularly when it has wide applicability.

Suggested Citation

  • Vijay Laxmi & Olaf Erenstein, 2006. "Assessing the impact of international natural resource management research: The Case of Zero Tillage in India's rice-wheat systems," Indira Gandhi Institute of Development Research, Mumbai Working Papers 2006-010, Indira Gandhi Institute of Development Research, Mumbai, India.
  • Handle: RePEc:ind:igiwpp:2006-010
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    File URL: http://www.igidr.ac.in/pdf/publication/WP-2006-010.pdf
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    References listed on IDEAS

    as
    1. Anderson, Jock R. & Dillon, John L., 1989. "International agricultural research systems," Agricultural Economics, Blackwell, pages 257-260.
    2. Praduman kumar & Anjani kumar & Surabhi Mittal, 2004. "Total Factor Productivity of Crop Sector in the Indo-Gangetic Plain of India: Sustainability issues revisited," Indian Economic Review, Department of Economics, Delhi School of Economics, vol. 39(1), pages 169-201, January.
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    Cited by:

    1. Walker, T. & Friday, J. & Casimero, M. & Dollentas, R. & Mataia, A. & Acda, R. & Yost, R., 2009. "The early economic impact of a nutrient management decision support system (NuMaSS) on small farm households cultivating maize on acidic, upland soils in the Philippines," Agricultural Systems, Elsevier, pages 162-172.

    More about this item

    Keywords

    natural resource management research; impact assessment; economic surplus; zero tillage;

    JEL classification:

    • Q11 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Aggregate Supply and Demand Analysis; Prices
    • Q12 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Micro Analysis of Farm Firms, Farm Households, and Farm Input Markets
    • Q16 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - R&D; Agricultural Technology; Biofuels; Agricultural Extension Services

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