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Increasing Returns and All That: A View From Trade

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Author Info
Werner Antweiler
Daniel Trefler

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Abstract

Do scale economies contribute to our understanding of international trade? Do international trade flows encode information about the extent of scale economies? To answer these questions we examine the large class of general equilibrium theories that imply Helpman-Krugman variants of the Vanek factor content prediction. Using an ambitious database on output, trade flows, and factor endowments, we find that scale economies significantly increase our understanding of the sources of comparative advantage. Further, the Helpman-Krugman framework provides a remarkable lens for viewing the general equilibrium scale elasticities encoded in trade flows. In particular, we find that a third of all goods-producing industries are characterized by scale. (The modal range of scale elasticities for this group is 1.10-1.20 and the economy-wide scale elasticity is 1.05.) Implications are drawn for the trade-and-wages debate (skill-biased scale effects) and endogenous growth.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 7941.

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Date of creation: Oct 2000
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Handle: RePEc:nbr:nberwo:7941

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F11 - International Economics - - Trade - - - Neoclassical Models of Trade
F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies

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  2. Trefler, Daniel, 1993. "International Factor Price Differences: Leontief Was Right!," Journal of Political Economy, University of Chicago Press, vol. 101(6), pages 961-87, December. [Downloadable!] (restricted)
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  6. Bowen, Harry P & Leamer, Edward E & Sveikauskas, Leo, 1987. "Multicountry, Multifactor Tests of the Factor Abundance Theory," American Economic Review, American Economic Association, vol. 77(5), pages 791-809, December. [Downloadable!] (restricted)
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  7. Davis, Donald R., 1995. "Intra-industry trade: A Heckscher-Ohlin-Ricardo approach," Journal of International Economics, Elsevier, vol. 39(3-4), pages 201-226, November. [Downloadable!] (restricted)
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  9. Helpman, Elhanan, 1981. "International trade in the presence of product differentiation, economies of scale and monopolistic competition : A Chamberlin-Heckscher-Ohlin approach," Journal of International Economics, Elsevier, vol. 11(3), pages 305-340, August. [Downloadable!] (restricted)
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  15. Basu, Susanto & Fernald, John G, 1997. "Returns to Scale in U.S. Production: Estimates and Implications," Journal of Political Economy, University of Chicago Press, vol. 105(2), pages 249-83, April.
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  16. Ethier, Wilfred J, 1982. "National and International Returns to Scale in the Modern Theory of International Trade," American Economic Review, American Economic Association, vol. 72(3), pages 389-405, June. [Downloadable!] (restricted)
  17. Trefler, Daniel, 1995. "The Case of the Missing Trade and Other Mysteries," American Economic Review, American Economic Association, vol. 85(5), pages 1029-46, December. [Downloadable!] (restricted)
  18. repec:fth:michin:445 is not listed on IDEAS
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  21. Werner Antweiler & Daniel Trefler, 2000. "Increasing Returns and All That: A View From Trade," NBER Working Papers 7941, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  22. Rotemberg, Julio J & Woodford, Michael, 1992. "Oligopolistic Pricing and the Effects of Aggregate Demand on Economic Activity," Journal of Political Economy, University of Chicago Press, vol. 100(6), pages 1153-1207, December. [Downloadable!] (restricted)
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  23. Nelson, Charles R & Startz, Richard, 1990. "Some Further Results on the Exact Small Sample Properties of the Instrumental Variable Estimator," Econometrica, Econometric Society, vol. 58(4), pages 967-76, July. [Downloadable!] (restricted)
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  24. Markusen, James R. & Venables, Anthony J., 1998. "Multinational firms and the new trade theory," Journal of International Economics, Elsevier, vol. 46(2), pages 183-203, December. [Downloadable!] (restricted)
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  25. Krugman, Paul R., 1979. "Increasing returns, monopolistic competition, and international trade," Journal of International Economics, Elsevier, vol. 9(4), pages 469-479, November. [Downloadable!] (restricted)
  26. Harrigan, James, 1996. "Openness to trade in manufactures in the OECD," Journal of International Economics, Elsevier, vol. 40(1-2), pages 23-39, February. [Downloadable!] (restricted)
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