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Price Incentives, Non-Price Factors, And Agricultural Production In Sub-Saharan Africa: A Cointegration Analysis

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  • Thiele, Rainer

Abstract

This paper deals with the question of how responsive farmers in Sub-Saharan Africa (SSA) are to changes in incentives. Employing Johansen's multivariate cointegration approach and covering the period 1965-99, it investigates for ten selected SSA countries the long-run effect of pricing policies,macroeconomic distortions, and certain non-price factors on agricultural production. I turns out that - in those cases where cointegration relationships are found - estimated supply elasticities tend to lie between 0.20 and 0.50. Among the non-price factors, drought episodes have significantly impaired agricultural growth in six out of ten sample countries. Technical progress as measured by a simple deterministic trend has only had a minor impact on output.

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Bibliographic Info

Paper provided by International Association of Agricultural Economists in its series 2003 Annual Meeting, August 16-22, 2003, Durban, South Africa with number 25901.

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Date of creation: 2003
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Handle: RePEc:ags:iaae03:25901

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Keywords: Production Economics;

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  1. Marc Nerlove, 1979. "The Dynamics of Supply: Retrospect and Prospect," Discussion Papers 394, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
  2. Phillips, P.C.B., 1986. "Testing for a Unit Root in Time Series Regression," Cahiers de recherche 8633, Universite de Montreal, Departement de sciences economiques.
  3. Schiff, Maurice & Montenegro, Claudio E, 1997. "Aggregate Agricultural Supply Response in Developing Countries: A Survey of Selected Issues," Economic Development and Cultural Change, University of Chicago Press, vol. 45(2), pages 393-410, January.
  4. R. L. Voortman & B. G. J. S. Sonneveld & M. A. Keyzer, 2000. "African Land Ecology: Opportunities and Constraints for Agricultural Development," CID Working Papers 37, Center for International Development at Harvard University.
  5. Rainer Thiele, 2000. "Estimating the Aggregate Agricultural Supply Response: A Survey of Techniques and Results for Developing Countries," Kiel Working Papers 1016, Kiel Institute for the World Economy.
  6. Rainer Thiele, 2002. "The Bias Against Agriculture in Sub-Saharan Africa: Has It Survived 20 Years of Structural Adjustment Programs?," Kiel Working Papers 1102, Kiel Institute for the World Economy.
  7. Engle, Robert F & Granger, Clive W J, 1987. "Co-integration and Error Correction: Representation, Estimation, and Testing," Econometrica, Econometric Society, vol. 55(2), pages 251-76, March.
  8. Kremers, Jeroen J M & Ericsson, Neil R & Dolado, Juan J, 1992. "The Power of Cointegration Tests," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 54(3), pages 325-48, August.
  9. Mamingi, Nlandu, 1997. "The impact of prices and macroeconomic policies on agricultural supply: a synthesis of available results," Agricultural Economics, Blackwell, vol. 16(1), pages 17-34, March.
  10. David E. Rapach, 2002. "Are Real GDP Levels Nonstationary? Evidence from Panel Data Tests," Southern Economic Journal, Southern Economic Association, vol. 68(3), pages 473-495, January.
  11. Johansen, Soren, 1988. "Statistical analysis of cointegration vectors," Journal of Economic Dynamics and Control, Elsevier, vol. 12(2-3), pages 231-254.
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Cited by:
  1. Olubode-Awosola, O.O. & Oyewumi, Olubukola Ayodeju & Jooste, Andre, 2006. "Vector error correction modelling of Nigerian agricultural supply response," Agrekon, Agricultural Economics Association of South Africa (AEASA), vol. 45(4), December.
  2. Luis Lanteri, 2009. "Response of the Argentine Soybean Sown Area to Prices," BCRA Working Paper Series 200944, Central Bank of Argentina, Economic Research Department.
  3. Olubode-Awosola, O.O. & van Schalkwyk, H.D. & Jooste, A., 2008. "Mathematical modeling of the South African land redistribution for development policy," Journal of Policy Modeling, Elsevier, vol. 30(5), pages 841-855.

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