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Stages of Diversification

Author

Listed:
  • Jean Imbs

    (Center for Economic Research - CEPR, London Business School - Aucune)

  • Romain Wacziarg

    (Graduate School of Business - Stanford University, NBER - National Bureau of Economic Research - National Bureau of Economic Research)

Abstract

This paper studies the evolution of sectoral labor concentration in relation to the level of per capita income. We show that various measures of sectoral concentration follow a U-shaped pattern across a wide variety of data sources: countries first diversify, in the sense that labor is spread more equally across sectors, but there exists, relatively late in the development process, a point at which they start to specialize again. We introduce a model with endogenous costs of trading internationally that provides an explanation for this new empirical fact. The model highlights a trade-off between the benefits of diversification in the context of high trading costs, and the benefits of specialization in a Ricardian sense.

Suggested Citation

  • Jean Imbs & Romain Wacziarg, 2003. "Stages of Diversification," Post-Print hal-00612598, HAL.
  • Handle: RePEc:hal:journl:hal-00612598
    DOI: 10.1257/000282803321455160
    Note: View the original document on HAL open archive server: https://hal.archives-ouvertes.fr/hal-00612598
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    References listed on IDEAS

    as
    1. Kelly, M., 1996. "The Dynamics of Smithian growth," Papers 96/9, College Dublin, Department of Political Economy-.
    2. Jean Imbs & Romain Wacziarg, 2003. "Stages of Diversification," American Economic Review, American Economic Association, vol. 93(1), pages 63-86, March.
    3. Acemoglu, Daron & Zilibotti, Fabrizio, 1997. "Was Prometheus Unbound by Chance? Risk, Diversification, and Growth," Journal of Political Economy, University of Chicago Press, vol. 105(4), pages 709-751, August.
    4. Saint-Paul, Gilles, 1992. "Technological choice, financial markets and economic development," European Economic Review, Elsevier, vol. 36(4), pages 763-781, May.
    5. Paul Krugman & Anthony J. Venables, 1995. "Globalization and the Inequality of Nations," The Quarterly Journal of Economics, Oxford University Press, vol. 110(4), pages 857-880.
    6. Fagerberg, Jan, 1987. "A technology gap approach to why growth rates differ," Research Policy, Elsevier, vol. 16(2-4), pages 87-99, August.
    7. Robert E. Lucas, 2000. "Some Macroeconomics for the 21st Century," Journal of Economic Perspectives, American Economic Association, vol. 14(1), pages 159-168, Winter.
    8. Barro, Robert J & Sala-i-Martin, Xavier, 1997. "Technological Diffusion, Convergence, and Growth," Journal of Economic Growth, Springer, vol. 2(1), pages 1-26, March.
    9. repec:rus:hseeco:122203 is not listed on IDEAS
    10. J.Peter Neary, 2001. "Of Hype and Hyperbolas: Introducing the New Economic Geography," Journal of Economic Literature, American Economic Association, vol. 39(2), pages 536-561, June.
    11. Paul Krugman, 1992. "Geography and Trade," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262610868, March.
    12. Murphy, Kevin M & Shleifer, Andrei & Vishny, Robert W, 1989. "Industrialization and the Big Push," Journal of Political Economy, University of Chicago Press, vol. 97(5), pages 1003-1026, October.
    13. Sebnem Kalemli-Ozcan & Bent E. Sørensen & Oved Yosha, 2003. "Risk Sharing and Industrial Specialization: Regional and International Evidence," American Economic Review, American Economic Association, vol. 93(3), pages 903-918, June.
    14. Bougheas, Spiros & Demetriades, Panicos O. & Morgenroth, Edgar L. W., 1999. "Infrastructure, transport costs and trade," Journal of International Economics, Elsevier, vol. 47(1), pages 169-189, February.
    15. Jaume Ventura, 1997. "Growth and Interdependence," The Quarterly Journal of Economics, Oxford University Press, vol. 112(1), pages 57-84.
    16. Dornbusch, Rudiger & Fischer, Stanley & Samuelson, Paul A, 1977. "Comparative Advantage, Trade, and Payments in a Ricardian Model with a Continuum of Goods," American Economic Review, American Economic Association, vol. 67(5), pages 823-839, December.
    17. Patrick Royston, 1992. "Lowess Smoothing," Stata Technical Bulletin, StataCorp LP, vol. 1(3).
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    19. Lucas, Robert Jr., 1988. "On the mechanics of economic development," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 3-42, July.
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    More about this item

    Keywords

    Specialization; International Macroeconomics; International Trade; Comparative Advantage;

    JEL classification:

    • F15 - International Economics - - Trade - - - Economic Integration
    • F43 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Economic Growth of Open Economies
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

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