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Innovation and export portfolios

  • Klinger, Bailey
  • Lederman, Daniel

This paper examines the link between sectoral concentration and overall performance in the search for on-the-frontier innovations, inside-the-frontier innovations, and export booms. It extends the literature by increasing country coverage and the types of search processes considered, and by focusing on the links with overall performance in these search processes. After controlling for the necessary relationships as well as fixed effects at the country/commodity group level, the paper finds a clear negative relationship between the concentration of innovation portfolios and performance: countries that are the most successful in these search processes have their successes spread across a broader range of industries than those with poorer performance. Furthermore, the search for export booms exhibits the least amount of sectoral concentration and path-dependence. These findings suggest that public support for these processes need not be focused in a narrow range of sectors, and modeling of these processes in theoretical work, particularly in the search for export booms, should be of a stochastic flavor.

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Paper provided by The World Bank in its series Policy Research Working Paper Series with number 3983.

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Date of creation: 01 Aug 2006
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Handle: RePEc:wbk:wbrwps:3983
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  1. Maria Mancusi, 2001. "Technological specialization in industrial countries: Patterns and dynamics," Review of World Economics (Weltwirtschaftliches Archiv), Springer, vol. 137(4), pages 593-621, December.
  2. Jonathan Eaton & Robert Evenson & Samuel Kortum & Poorti Marino & Jonathan Putnam, 1998. "Technological Specialization in International Patenting," Boston University - Institute for Economic Development 81, Boston University, Institute for Economic Development.
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  4. Maria Luisa Mancusi, 2000. "Geographical Concentration and the Dynamics of Countries' Specialization in Technologies," KITeS Working Papers 125, KITeS, Centre for Knowledge, Internationalization and Technology Studies, Universita' Bocconi, Milano, Italy, revised Aug 2001.
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  9. Archibugi, Daniele & Pianta, Mario, 1992. "Specialization and size of technological activities in industrial countries: The analysis of patent data," Research Policy, Elsevier, vol. 21(1), pages 79-93, February.
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  11. Deininger, K & Squire, L, 1996. "Measuring Income Inequality : A New Data-Base," Papers 537, Harvard - Institute for International Development.
  12. Breschi, Stefano & Malerba, Franco & Orsenigo, Luigi, 2000. "Technological Regimes and Schumpeterian Patterns of Innovation," Economic Journal, Royal Economic Society, vol. 110(463), pages 388-410, April.
  13. Richard Blundell & Rachel Griffith & Frank Windmeijer, 1999. "Individual effects and dynamics in count data models," IFS Working Papers W99/03, Institute for Fiscal Studies.
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  15. Archibugi, Daniele & Pianta, Mario, 1994. "Aggregate Convergence and Sectoral Specialization in Innovation," Journal of Evolutionary Economics, Springer, vol. 4(1), pages 17-33, March.
  16. Malerba, Franco & Orsenigo, Luigi & Peretto, Pietro, 1997. "Persistence of innovative activities, sectoral patterns of innovation and international technological specialization," International Journal of Industrial Organization, Elsevier, vol. 15(6), pages 801-826, October.
  17. Malerba, Franco & Orsenigo, Luigi, 1996. "Schumpeterian patterns of innovation are technology-specific," Research Policy, Elsevier, vol. 25(3), pages 451-478, May.
  18. Lopez, Humberto & Serven, Luis, 2006. "A normal relationship ? Poverty, growth, and inequality," Policy Research Working Paper Series 3814, The World Bank.
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