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Measuring the Productivity from Indigenous Soil and Water Conservation Technologies with Household Fixed Effects: A Case-Study of Hilly Mountainous Areas of Benin

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Author Info

  • Anselme Adegbidi

    (Universitie Nationale du Benin)

  • Esaie Gandonou

    (Universitie Nationale du Benin)

  • Remco Oostendorp

    (Free University of Amsterdam)

Abstract

In this paper we examine the productivity of indigenous soil and water conservation investments in the Boukombe region in Northwest Benin, using an in-depth survey among 101 farmers on farm inputs, outputs, and SWC investments. We show that positive effects of SWC investments are only observed if one controls for household-specific constraints. We use a production function approach to relate SWC to farm output, and we control for observable and unobservable housrhold characteristics with household fixed effects. The results show that (1)there are large productivity effects of indigenous SWC investments in the Boukombe region of Benin, (2) there is a positive interaction between fertilizer use and SWC on productivity, (3) the productivity of SWC has an inverted U-shape in plot slope. Misspecification tests for omitted variable bias, endogeneity bias, and selection bias are performed and show that the results are robust.

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File URL: http://128.118.178.162/eps/dev/papers/0409/0409005.pdf
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Bibliographic Info

Paper provided by EconWPA in its series Development and Comp Systems with number 0409005.

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Length: 35 pages
Date of creation: 08 Sep 2004
Date of revision:
Handle: RePEc:wpa:wuwpdc:0409005

Note: Type of Document - pdf; pages: 35
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Web page: http://128.118.178.162

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Cited by:
  1. Burger, Kees, 2005. "Transition to Sustainable Tropical Land Management," 2005 International Congress, August 23-27, 2005, Copenhagen, Denmark 24517, European Association of Agricultural Economists.

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