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Stages of Diversification

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Author Info
Imbs, Jean
Wacziarg, Romain

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Abstract

This Paper studies the evolution of sectoral labour 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 labour 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.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 2642.

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Date of creation: Dec 2000
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Handle: RePEc:cpr:ceprdp:2642

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Related research
Keywords: Comparative Advantage; International Macroeconomics; International Trade; Specialization;

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Find related papers by 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, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General

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  1. 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 823-39, December. [Downloadable!] (restricted)
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  2. Fagerberg, Jan, 1987. "A technology gap approach to why growth rates differ," Research Policy, Elsevier, vol. 16(2-4), pages 87-99, August. [Downloadable!] (restricted)
  3. Kelly, M., 1996. "The Dynamics of Smithian growth," Papers 96/9, College Dublin, Department of Political Economy-.
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  4. Robert E. Lucas Jr., 2000. "Some Macroeconomics for the 21st Century," Journal of Economic Perspectives, American Economic Association, vol. 14(1), pages 159-168, Winter. [Downloadable!] (restricted)
  5. 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. [Downloadable!] (restricted)
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  6. Krugman, Paul R & Venables, Anthony J, 1995. "Globalization and the Inequality of Nations," The Quarterly Journal of Economics, MIT Press, vol. 110(4), pages 857-80, November. [Downloadable!] (restricted)
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  7. 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 1003-26, October. [Downloadable!] (restricted)
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  8. Paul Krugman, 1992. "Geography and Trade," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262610868, January.
  9. Imbs, Jean & Wacziarg, Romain, 2000. "Stages of Diversification," CEPR Discussion Papers 2642, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  10. 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. [Downloadable!]
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  11. Choi, E Kwan & Harrigan, James, 2004. "Handbook of International Trade," Staff General Research Papers 11375, Iowa State University, Department of Economics.
  12. Saint-Paul, Gilles, 1992. "Technological choice, financial markets and economic development," European Economic Review, Elsevier, vol. 36(4), pages 763-781, May. [Downloadable!] (restricted)
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  13. Patrick Royston, 1992. "Lowess Smoothing," Stata Technical Bulletin, StataCorp LP, vol. 1(3). [Downloadable!]
  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. [Downloadable!] (restricted)
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  15. Ventura, Jaume, 1997. "Growth and Interdependence," The Quarterly Journal of Economics, MIT Press, vol. 112(1), pages 57-84, February.
  16. repec:rus:hseeco:122203 is not listed on IDEAS
  17. 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. [Downloadable!] (restricted)
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  18. 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 709-51, August.
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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. [Downloadable!] (restricted)
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