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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.

Suggested Citation

  • Xavier Irz & Terry Roe, 2005. "Seeds of growth? Agricultural productivity and the transitional dynamics of the Ramsey model," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 32(2), pages 143-165, June.
  • Handle: RePEc:oup:erevae:v:32:y:2005:i:2:p:143-165
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    Cited by:

    1. 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.
    2. 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.
    3. Saif asif Khan & Sajawal Khan, 2011. "Optimal Taxation, Inflation and the Formal and Informal Sectors," SBP Working Paper Series 40, State Bank of Pakistan, Research Department.
    4. 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.
    5. Engström, Gustav, 2016. "Structural and climatic change," Structural Change and Economic Dynamics, Elsevier, vol. 37(C), pages 62-74.
    6. 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.
    7. 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.
    8. Paul Winters & Timothy Essam & Alberto Zezza & Benjamin Davis & Calogero Carletto, 2010. "Patterns of Rural Development: A Cross-Country Comparison using Microeconomic Data," Journal of Agricultural Economics, Wiley Blackwell, vol. 61(3), pages 628-651.
    9. Guilló, Maria Dolores & Perez-Sebastian, Fidel, 2015. "Neoclassical growth and the natural resource curse puzzle," Journal of International Economics, Elsevier, vol. 97(2), pages 423-435.
    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. repec:kap:itaxpf:v:24:y:2017:i:2:d:10.1007_s10797-016-9403-6 is not listed on IDEAS
    12. J. Vernon Henderson & Adam Storeygard & David N. Weil, 2012. "Measuring Economic Growth from Outer Space," American Economic Review, American Economic Association, vol. 102(2), pages 994-1028, April.
    13. Jonathan Temple & Huikang Ying & Patrick Carter, 2014. "Transfers and Transformations: Remittances, Foreign Aid, and Growth," Bristol Economics Discussion Papers 14/649, Department of Economics, University of Bristol, UK, revised 02 Dec 2014.
    14. McCullough, Ellen B., 2017. "Labor productivity and employment gaps in Sub-Saharan Africa," Food Policy, Elsevier, vol. 67(C), pages 133-152.
    15. 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).
    16. 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).
    17. 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.
    18. 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.
    19. Kalkuhl, Matthias & Edenhofer, Ottmar, 2015. "Deforestation, Land Taxes and Development," Annual Conference 2015 (Muenster): Economic Development - Theory and Policy 112961, Verein für Socialpolitik / German Economic Association.
    20. Esposti, Roberto, 2014. "On why and how agriculture declines," Structural Change and Economic Dynamics, Elsevier, vol. 31(C), pages 73-88.

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