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Diversification and development

  • Miklos Koren
  • Silvana Tenreyro

This paper explores the relationship between sectoral diversification and economic development. We develop a risk-based methodology to assess countries' extent of industrial diversification. The industrial structure of a country tends to be risky when the country i) has a high sectoral concentration, ii) specializes in highly risky sectors, and/or iii) specializes in sectors highly affected by country-specific fluctuations. We document the following regularities. First, sectoral concentration declines and then increases with development. Second, industry-specific risk declines with development. Hence, at early stages of development, the decline in concentration is accompanied by a parallel decrease in industry risk, whereas at higher levels of development sectoral concentration and industry risk move in opposite directions. Third, country-specific risk declines along the development path. Fourth, the covariance between industry and country risk increases with development. We also derive indicators of consumption risk that provide direct evidence on the welfare implications of risk. Finally, we compare the overall level of risk with that of the "optimal country portfolio."

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Paper provided by Federal Reserve Bank of Boston in its series Working Papers with number 03-3.

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Date of creation: 2003
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Handle: RePEc:fip:fedbwp:03-3
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  1. Miklós Koren, 2003. "Financial Globalization, Portfolio Diversification, and the Pattern of International Trade," IMF Working Papers 03/233, International Monetary Fund.
  2. Kraay, Aart & Ventura, Jaume, 2001. "Comparative Advantage and the Cross-Section of Business Cycles," CEPR Discussion Papers 3000, C.E.P.R. Discussion Papers.
  3. 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.
  4. Greenwood, Jeremy & Jovanovic, Boyan, 1990. "Financial Development, Growth, and the Distribution of Income," Journal of Political Economy, University of Chicago Press, vol. 98(5), pages 1076-1107, October.
  5. Del Negro, Marco, 2002. "Asymmetric shocks among U.S. states," Journal of International Economics, Elsevier, vol. 56(2), pages 273-297, March.
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  7. Lucas, Robert Jr., 1988. "On the mechanics of economic development," Journal of Monetary Economics, Elsevier, vol. 22(1), pages 3-42, July.
  8. Wacziarg, Romain & Imbs, Jean, 2000. "Stages of Diversification," Research Papers 1653, Stanford University, Graduate School of Business.
  9. Sørensen, Bent E & Yosha, Oved, 1999. "Risk Sharing and Industrial Specialization: Regional and International Evidence," CEPR Discussion Papers 2295, C.E.P.R. Discussion Papers.
  10. Robin Brooks & Marco Del Negro, 2002. "International diversification strategies," Working Paper 2002-23, Federal Reserve Bank of Atlanta.
  11. Maurice Obstfeld., 1993. "Risk-Taking, Global Diversification, and Growth," Center for International and Development Economics Research (CIDER) Working Papers C93-016, University of California at Berkeley.
  12. Saint-Paul, Gilles, 1992. "Technological choice, financial markets and economic development," European Economic Review, Elsevier, vol. 36(4), pages 763-781, May.
  13. Chang-Tai Hsieh & Peter J. Klenow, 2003. "Relative Prices and Relative Prosperity," NBER Working Papers 9701, National Bureau of Economic Research, Inc.
  14. Stockman, Alan C., 1988. "Sectoral and national aggregate disturbances to industrial output in seven European countries," Journal of Monetary Economics, Elsevier, vol. 21(2-3), pages 387-409.
  15. Bruce N. Lehmann & David M. Modest, 1985. "The Empirical Foundations of the Arbitrage Pricing Theory II: The Optimal Construction of Basis Portfolios," NBER Working Papers 1726, National Bureau of Economic Research, Inc.
  16. Connor, Gregory & Korajczyk, Robert A., 1988. "Risk and return in an equilibrium APT : Application of a new test methodology," Journal of Financial Economics, Elsevier, vol. 21(2), pages 255-289, September.
  17. Bruce N. Lehmann & David M. Modest, 1985. "The Empirical Foundations of the Arbitrage Pricing Theory I: The Empirical Tests," NBER Working Papers 1725, National Bureau of Economic Research, Inc.
  18. Atish R. Ghosh & Holger C. Wolf, 1997. "Geographical and Sectoral Shocks in the U.S. Business Cycle," NBER Working Papers 6180, National Bureau of Economic Research, Inc.
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