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Impact of market and population pressure on production, incomes and natural resources in the dryland savannas of West Africa: bioeconomic modeling at the village level

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  • Barbier, Bruno

Abstract

This paper introduces a modeling method which simulates a village's response to population and market pressure. The method combines a linear programming model with a biophysical model of soil condition and plant growth. The linear programming model simulates farmers' plans aggregated at the village level, and the biophysical model predicts yields and land degradation for different land use and cropping patterns. The method has been calibrated for two villages located in a semi-arid and a sub-humid savanna region in Burkina Faso in West Africa. Several simulations are carried out to the year 2030. Sensitivity tests are used to isolate the main factors of intensification, particularly to distinguish between the effects of "population-pressure driven" intensification from that of "market driven" intensification.

Suggested Citation

  • Barbier, Bruno, 1996. "Impact of market and population pressure on production, incomes and natural resources in the dryland savannas of West Africa: bioeconomic modeling at the village level," EPTD discussion papers 21, International Food Policy Research Institute (IFPRI).
    • Handle: RePEc:fpr:eptddp:21
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    Cited by:

    1. Barbier, Bruno, 1998. "Induced innovation and land degradation: Results from a bioeconomic model of a village in West Africa," Agricultural Economics, Blackwell, vol. 19(1-2), pages 15-25, September.
    2. Abalu, George & Hassan, Rashid, 1998. "Agricultural productivity and natural resource use in southern Africa," Food Policy, Elsevier, vol. 23(6), pages 477-490, December.
    3. Scherr, Sara J., 1999. "Soil degradation: a threat to developing-country food security by 2020?," 2020 vision discussion papers 27, International Food Policy Research Institute (IFPRI).
    4. Sankhayan, Prem L. & Hofstad, Ole, 2001. "A village-level economic model of land clearing, grazing, and wood harvesting for sub-Saharan Africa: with a case study in southern Senegal," Ecological Economics, Elsevier, vol. 38(3), pages 423-440, September.
    5. Johannes Woelcke, 2006. "Technological and policy options for sustainable agricultural intensification in eastern Uganda," Agricultural Economics, International Association of Agricultural Economists, vol. 34(2), pages 129-139, March.

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