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Seeds of growth? Agricultural productivity and the transitional dynamics of the Ramsey model

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  • Xavier Irz
  • Terry Roe

Abstract

A two-sector Ramsey-type model of growth is developed to investigate the relationship between agricultural productivity and economy-wide growth. The framework takes into account the peculiarities of agriculture both in production (reliance on a fixed natural resource base) and in consumption (life-sustaining role and low income elasticity of food demand). The transitional dynamics of the model establish that when preferences respect Engel's law, the level and growth rate of agricultural productivity influence the speed of capital accumulation. A calibration exercise shows that a small difference in agricultural productivity has drastic implications for the rate and pattern of growth of the economy. Hence, low agricultural productivity can form a bottleneck limiting growth, because high food prices result in a low saving rate. Copyright 2005, Oxford University Press.

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Bibliographic Info

Article provided by Foundation for the European Review of Agricultural Economics in its journal European Review of Agricultural Economics.

Volume (Year): 32 (2005)
Issue (Month): 2 (June)
Pages: 143-165

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Handle: RePEc:oup:erevae:v:32:y:2005:i:2:p:143-165

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Cited by:
  1. Hildegunn E. Stokke, 2009. "Multinational supermarket chains in developing countries: does local agriculture benefit?," Agricultural Economics, International Association of Agricultural Economists, vol. 40(6), pages 645-656, November.
  2. Breisinger, Clemens & Diao, Xinshen & Thurlow, James, 2009. "Modeling growth options and structural change to reach middle income country status: The case of Ghana," Economic Modelling, Elsevier, vol. 26(2), pages 514-525, March.
  3. Clemens Breisinger & Xinshen Diao & James Thurlow & Ramatu M. Al Hassan, 2011. "Potential impacts of a green revolution in Africa—the case of Ghana," Journal of International Development, John Wiley & Sons, Ltd., vol. 23(1), pages 82-102, January.
  4. Vernon Henderson & Adam Storeygard & David N. Weil, 2009. "Measuring Economic Growth from Outer Space," Working Papers 2009-8, Brown University, Department of Economics.
  5. Wei-Bin Zhang, 2008. "A Two-Sector Growth Model with Endogenous Human Capital and Amenities," Interdisciplinary Description of Complex Systems - scientific journal, Croatian Interdisciplinary Society Provider Homepage: http://indecs.eu, vol. 6(2), pages 95-116.
  6. Guilló, María Dolores & Pérez-Sebastián, Fidel, 2012. "Neoclassical Growth and the Natural Resource Curse Puzzle," QM&ET Working Papers 12-14, Universidad de Alicante, Departamento de Métodos Cuantitativos y Teoría Económica.
  7. Roberto ESPOSTI, 2007. "On the Decline of Agriculture. Evidence from Italian Regions in the Post-WWII Period," Working Papers 300, Universita' Politecnica delle Marche (I), Dipartimento di Scienze Economiche e Sociali.
  8. Breisinger, Clemens & Diao, Xinshen & Thurlow, James & Yu, Bingxin & Kolavalli, Shashi L., 2007. "Accelerated growth and structural transformation: Assessing Ghana’s options to reach middle-income status," GSSP working papers 7, International Food Policy Research Institute (IFPRI).
  9. Breisinger, Clemens & Diao, Xinshen, 2008. "Economic transformation in theory and practice: What are the messages for Africa?," IFPRI discussion papers 797, International Food Policy Research Institute (IFPRI).
  10. Kaya, Ozgur & Kaya, Ilker & Gunter, Lewell F., 2008. "The Impact of Agricultural Aid on Agricultural Sector Growth," 2008 Annual Meeting, February 2-6, 2008, Dallas, Texas 6743, Southern Agricultural Economics Association.
  11. Saracoglu, Durdane Sirin, 2008. "The informal sector and tax on employment: A dynamic general equilibrium investigation," Journal of Economic Dynamics and Control, Elsevier, vol. 32(2), pages 529-549, February.
  12. Cao, Kang Hua & Birchenall, Javier A., 2013. "Agricultural productivity, structural change, and economic growth in post-reform China," Journal of Development Economics, Elsevier, vol. 104(C), pages 165-180.

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