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An Elementary Theory of Global Supply Chains

  • Arnaud Costinot
  • Jonathan E. Vogel
  • Su Wang

This paper develops an elementary theory of global supply chains. We consider a world economy with an arbitrary number of countries, one factor of production, a continuum of intermediate goods, and one final good. Production of the final good is sequential and subject to mistakes. In the unique free trade equilibrium, countries with lower probabilities of making mistakes at all stages specialize in later stages of production. Because of the sequential nature of production, absolute productivity differences are a source of comparative advantage among nations. Using this simple theoretical framework, we offer a first look at how vertical specialization shapes the interdependence of nations.

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File URL: http://www.cesifo-group.de/portal/page/portal/DocBase_Content/WP/WP-CESifo_Working_Papers/wp-cesifo-2011/wp-cesifo-2011-03/cesifo1_wp3402.pdf
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Paper provided by CESifo Group Munich in its series CESifo Working Paper Series with number 3402.

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Date of creation: 2011
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Handle: RePEc:ces:ceswps:_3402
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  18. Hallak, Juan Carlos, 2006. "Product quality and the direction of trade," Journal of International Economics, Elsevier, vol. 68(1), pages 238-265, January.
  19. Juan Carlos Hallak, 2010. "A Product-Quality View of the Linder Hypothesis," The Review of Economics and Statistics, MIT Press, vol. 92(3), pages 453-466, August.
  20. Luis Garicano & Esteban Rossi-Hansberg, 2006. "Organization and Inequality in a Knowledge Economy," The Quarterly Journal of Economics, MIT Press, vol. 121(4), pages 1383-1435, November.
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  24. Markusen, James R, 1986. "Explaining the Volume of Trade: An Eclectic Approach," American Economic Review, American Economic Association, vol. 76(5), pages 1002-11, December.
  25. Arnaud Costinot, 2009. "An Elementary Theory of Comparative Advantage," NBER Working Papers 14645, National Bureau of Economic Research, Inc.
  26. Egger, Hartmut & Falkinger, Josef, 2003. "The distributional effects of international outsourcing in a 2 x 2 production model," The North American Journal of Economics and Finance, Elsevier, vol. 14(2), pages 189-206, August.
  27. Franziska Ohnsorge & Daniel Trefler, 2007. "Sorting It Out: International Trade with Heterogeneous Workers," Journal of Political Economy, University of Chicago Press, vol. 115(5), pages 868-892, October.
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  30. Monte, Ferdinando, 2011. "Skill bias, trade, and wage dispersion," Journal of International Economics, Elsevier, vol. 83(2), pages 202-218, March.
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