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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

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    1. Jock R. Anderson & John L. Dillon, 1989. "International Agricultural Research Systems," Agricultural Economics, International Association of Agricultural Economists, vol. 3(4), pages 257-260, December.
    2. Ekboir, Javier, 2002. "Developing No-Till Packages for Small-Scale Farmers," Facts and Trends/Overview and Outlook 298005, CIMMYT: International Maize and Wheat Improvement Center.
    3. Derek Byerlee & Greg Traxler, 1995. "National and International Wheat Improvement Research in the Post-Green Revolution Period: Evolution and Impacts," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 77(2), pages 268-278.
    4. 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:

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    More about this item

    Keywords

    natural resource management research; impact assessment; economic surplus; zero tillage;
    All these keywords.

    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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