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Assessing the Impact of International Natural Resource Management Research - The Case of Zero Tillage in India’s Rice-Wheat Systems

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Author Info

  • Vijay Laxmi

    (Indira Gandhi Institute of Development Research)

  • Olaf Erenstein

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.

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Bibliographic Info

Paper provided by East Asian Bureau of Economic Research in its series Microeconomics Working Papers with number 22398.

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Date of creation: Jan 2006
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Handle: RePEc:eab:microe:22398

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Related research

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

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  1. 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.
  2. The World Bank,, 2005. "India: Re-Energizing the Agricultural Sector to Sustain Growth and Reduce Poverty," OUP Catalogue, Oxford University Press, number 9780195674323.
  3. Anderson, Jock R. & Dillon, John L., 1989. "International agricultural research systems," Agricultural Economics, Blackwell, vol. 3(4), pages 257-260, December.
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