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Impacts of Agricultural Extension on Crop Productivity, Poverty and Vulnerability: Evidence from Uganda

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Author Info

  • Md. Faruq Hasan

    (Department of Agricultural Extension, Hajee Mohammad Danesh Science and Technology University, Bangladesh)

  • Katsushi S. Imai

    (Economics, School of Social Sciences, University of Manchester (UK) and RIEB, Kobe University (Japan))

  • Takahiro Sato

    (Research Institute for Economics & Business Administration (RIEB), Kobe University, Japan)

Abstract

The present study examines whether agricultural extension improves household crop productivity, reduces poverty as well as vulnerability in rural Uganda drawing upon Uganda National Panel Survey data in 2009-10. We first estimate household crop productivity using stochastic frontier analysis that can allow for stochastic shocks in the production function. Then, the effect of different types of agricultural extension programmes on the crop productivity is estimated by treatment effects model which controls for the sample selection associated with household participation in agricultural extension. In this model, the distance to agricultural extension service centre is used as an instrument for participation in agricultural extension. It is found that household crop productivity was significantly raised by household participation in all types of agricultural extension programs except NGO programs, while household expenditure per capita was also significantly increased by participation in most cases. This is consistent with the central objectives of agricultural extension to improve productivity and reduce poverty. Further evidence is provided on the role of extension in reducing vulnerability as expected poverty associated with extension programs of NAADS, large farmers and other types of extension service providers.

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File URL: http://www.rieb.kobe-u.ac.jp/academic/ra/dp/English/DP2012-34.pdf
File Function: Revised version, 2012
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Bibliographic Info

Paper provided by Research Institute for Economics & Business Administration, Kobe University in its series Discussion Paper Series with number DP2012-34.

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Length: 33 pages
Date of creation: Dec 2012
Date of revision: Feb 2013
Handle: RePEc:kob:dpaper:dp2012-34

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Keywords: Agricultural Extension; Poverty; Vulnerability; Treatment Effects Model; Uganda;

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  1. Md. Shafiul Azam & Katsushi Imai, 2009. "Vulnerability and Poverty in Bangladesh," The School of Economics Discussion Paper Series 0905, Economics, The University of Manchester.
  2. Heckman, James J, 1979. "Sample Selection Bias as a Specification Error," Econometrica, Econometric Society, vol. 47(1), pages 153-61, January.
  3. Katsushi Imai & Xiaobing Wang & Woojin Kang, 2010. "Poverty and vulnerability in rural China: effects of taxation," Journal of Chinese Economic and Business Studies, Taylor & Francis Journals, vol. 8(4), pages 399-425.
  4. Katsushi S. Imai, 2009. "Poverty, undernutrition and vulnerability in rural India: Role of rural public works and food for work programmes," The School of Economics Discussion Paper Series 0914, Economics, The University of Manchester.
  5. Dasgupta, Partha, 1997. "Nutritional status, the capacity for work, and poverty traps," Journal of Econometrics, Elsevier, vol. 77(1), pages 5-37, March.
  6. Aigner, Dennis & Lovell, C. A. Knox & Schmidt, Peter, 1977. "Formulation and estimation of stochastic frontier production function models," Journal of Econometrics, Elsevier, vol. 6(1), pages 21-37, July.
  7. Asep Suryahadi & Sudarno Sumarto, 2003. "Poverty and Vulnerability in Indonesia Before and After the Economic Crisis," Asian Economic Journal, East Asian Economic Association, vol. 17(1), pages 45-64, 03.
  8. Andrew Street, 2003. "How much confidence should we place in efficiency estimates?," Health Economics, John Wiley & Sons, Ltd., vol. 12(11), pages 895-907.
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