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Stages of Diversification

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  • Wacziarg, Romain

    (Stanford)

  • Imbs, Jean

    (London Business School)

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.

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Bibliographic Info

Paper provided by Stanford University, Graduate School of Business in its series Research Papers with number 1653.

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Date of creation: Sep 2000
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Handle: RePEc:ecl:stabus:1653

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References

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  1. Krugman, Paul & Venables, Anthony J., 1995. "Globalization and the Inequality of Nations," Working Paper Series 430, Research Institute of Industrial Economics.
  2. Ventura, Jaume, 1997. "Growth and Interdependence," The Quarterly Journal of Economics, MIT Press, vol. 112(1), pages 57-84, February.
  3. Fagerberg, Jan, 1987. "A technology gap approach to why growth rates differ," Research Policy, Elsevier, vol. 16(2-4), pages 87-99, August.
  4. Sebnem Kalemli-Ozcan & Bent E. Sorensen & Oved Yosha, 2000. "Risk sharing and industrial specialization ; regional and international evidence," Research Working Paper RWP 00-06, Federal Reserve Bank of Kansas City.
  5. 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.
  6. Kelly, Morgan, 1997. "The Dynamics of Smithian Growth," The Quarterly Journal of Economics, MIT Press, vol. 112(3), pages 939-64, August.
  7. 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.
  8. 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.
  9. Robert E. Lucas, 2000. "Some Macroeconomics for the 21st Century," Journal of Economic Perspectives, American Economic Association, vol. 14(1), pages 159-168, Winter.
  10. Robert J. Barro & Xavier Sala-i-Martin, 1995. "Technological diffusion, convergence and growth," Economics Working Papers 116, Department of Economics and Business, Universitat Pompeu Fabra.
  11. repec:fth:iniesr:430 is not listed on IDEAS
  12. 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.
  13. Imbs, Jean & Wacziarg, Romain, 2000. "Stages of Diversification," CEPR Discussion Papers 2642, C.E.P.R. Discussion Papers.
  14. Daron Acemoglu & Fabrizio Zilibotti, 1994. "Was Prometheus unbound by chance? Risk, diversification and growth," Economics Working Papers 98, Department of Economics and Business, Universitat Pompeu Fabra.
  15. Lucas, Robert Jr., 1988. "On the mechanics of economic development," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 3-42, July.
  16. Paul Krugman, 1992. "Geography and Trade," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262610868, December.
  17. Saint-Paul, G., 1990. "Technological Choice, Financial Markets and Economic Development," DELTA Working Papers 90-30, DELTA (Ecole normale supérieure).
  18. repec:rus:hseeco:122203 is not listed on IDEAS
  19. Patrick Royston, 1992. "Lowess Smoothing," Stata Technical Bulletin, StataCorp LP, vol. 1(3).
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  1. Africa: Making the most of its natural resources
    by Guest author in OECD Insights on 2013-05-27 10:04:13
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