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Firms in International Trade

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Author Info
Andrew Bernard
J. Bradford Jensen
Stephen Redding
Peter Schott

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Abstract

Standard models of international trade devote little attention to firms. Yet of the 5.5 million firms operating in the United States in 2000, just 4 percent engaged in exporting, and the top 10 percent of these exporting firms accounted for 96 percent of U.S. exports. Since the mid 1990s, a large number of empirical studies have provided a wealth of information about the important role that firms play in mediating countries’ imports and exports. This research, based on micro datasets that track countries’ production and trade at the firm level, demonstrates that trading firms differ substantially from firms that solely serve the domestic market. Across a wide range of countries and industries, exporters have been shown to be larger, more productive, more skill- and capital-intensive, and to pay higher wages than non-trading firms.2 Furthermore, these differences exist even before exporting begins. The ex ante “superiority” of exporters suggests self-selection: exporters are more productive, not as a result of exporting, but because only the most productive firms are able to overcome the costs of entering export markets. It is precisely this sort of microeconomic heterogeneity that grants firms the ability to influence macroeconomic outcomes. When trade policy barriers fall or transportation costs decline, high-productivity exporting firms survive and grow while lower-productivity non-exporting firms are more likely to fail. This reallocation of economic activity across firms raises aggregate productivity and provides a new source of welfare gains from trade. Confronting the challenges posed by the analysis of micro data has shifted the focus of the international trade field from countries and industries towards firms and products. We highlight these challenges with a detailed analysis of how trading firms differ from non-trading firms in the United States. We show how these differences serve as the foundation of a series of recent heterogeneous-firm models that offer new insights into the causes and consequences of international trade. We then introduce a new set of stylized facts that emerge from analysis of recently available U.S. customs data. These transaction-level trade data track all of the products imported and exported by the U.S. firms to all of its trading partners from 1992 to 2000. They show that the extensive margins of trade – that is, the number of products firms trade as well as the number of countries they trade with – are central to understanding the well-known role of distance in dampening aggregate trade flows. We conclude with suggestions for further theoretical and empirical research.

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File URL: http://www.ces.census.gov/index.php/ces/cespapers?down_key=101787
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Publisher Info
Paper provided by Center for Economic Studies, U.S. Census Bureau in its series Working Papers with number 07-14.

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Length: 30 pages
Date of creation: Apr 2007
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Handle: RePEc:cen:wpaper:07-14

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References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
  1. Elhanan Helpman, 2006. "Trade, FDI, and the Organization of Firms," Journal of Economic Literature, American Economic Association, vol. 44(3), pages 589-630, September.
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  2. Roberto Alvarez & Ricardo López, 2005. "Exporting and performance: evidence from Chilean plants," Canadian Journal of Economics, Canadian Economics Association, vol. 38(4), pages 1384-1400, November. [Downloadable!] (restricted)
  3. Krugman, Paul, 1980. "Scale Economies, Product Differentiation, and the Pattern of Trade," American Economic Review, American Economic Association, vol. 70(5), pages 950-59, December. [Downloadable!] (restricted)
  4. Bernard, Andrew & Redding, Stephen J & Schott, Peter, 2006. "Multi-Product Firms and Product Switching," CEPR Discussion Papers 5708, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  5. Van Biesebroeck, Johannes, 2005. "Exporting raises productivity in sub-Saharan African manufacturing firms," Journal of International Economics, Elsevier, vol. 67(2), pages 373-391, December. [Downloadable!] (restricted)
  6. Caves, Douglas W & Christensen, Laurits R & Diewert, W Erwin, 1982. "The Economic Theory of Index Numbers and the Measurement of Input, Output, and Productivity," Econometrica, Econometric Society, vol. 50(6), pages 1393-1414, November. [Downloadable!] (restricted)
  7. Andrew B. Bernard & Stephen J. Redding & Peter K. Schott, 2006. "Multi-Product Firms and Trade Liberalization," NBER Working Papers 12782, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  8. Sanghamitra Das & Mark J. Roberts & James R. Tybout, 2001. "Market entry costs, producer heterogeneity and export dynamics," Indian Statistical Institute, Planning Unit, New Delhi Discussion Papers 03-10, Indian Statistical Institute, New Delhi, India. [Downloadable!]
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  9. Andrew B Bernard & J. Bradford Jensen, 2007. "Firm Structure, Multinationals, and Manufacturing Plant Deaths," The Review of Economics and Statistics, MIT Press, vol. 89(2), pages 193-204, 02. [Downloadable!] (restricted)
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  10. David Hummels & Alexandre Skiba, 2004. "Shipping the Good Apples Out? An Empirical Confirmation of the Alchian-Allen Conjecture," Journal of Political Economy, University of Chicago Press, vol. 112(6), pages 1384-1402, December.
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  11. Volker Nocke & Stephen Yeaple, 2006. "Globalization and Endogenous Firm Scope," NBER Working Papers 12322, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  12. Roberts, Mark J & Tybout, James R, 1997. "The Decision to Export in Colombia: An Empirical Model of Entry with Sunk Costs," American Economic Review, American Economic Association, vol. 87(4), pages 545-64, September. [Downloadable!] (restricted)
  13. Hallak, Juan Carlos, 2006. "Product quality and the direction of trade," Journal of International Economics, Elsevier, vol. 68(1), pages 238-265, January. [Downloadable!] (restricted)
  14. Jonathan Eaton & Samuel Kortum & Francis Kramarz, 2008. "An Anatomy of International Trade: Evidence from French Firms," NBER Working Papers 14610, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  15. Andrew B. Bernard & Stephen J. Redding & Peter K. Schott, 2007. "Comparative Advantage and Heterogeneous Firms," Review of Economic Studies, Blackwell Publishing, vol. 74(1), pages 31-66, 01. [Downloadable!] (restricted)
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  16. Elhanan Helpman, 1999. "The Structure of Foreign Trade," Journal of Economic Perspectives, American Economic Association, vol. 13(2), pages 121-144, Spring. [Downloadable!] (restricted)
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  17. Carsten Eckel & J Peter Neary, 2006. "Multi-Product Firms and Flexible Manufacturing in the Global Economy," Working Papers 200608, School Of Economics, University College Dublin. [Downloadable!]
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  18. Elhanan Helpman & Marc Melitz & Yona Rubinstein, 2007. "Estimating Trade Flows: Trading Partners and Trading Volumes," NBER Working Papers 12927, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  19. Peter K. Schott, 2004. "Across-product Versus Within-product Specialization in International Trade," The Quarterly Journal of Economics, MIT Press, vol. 119(2), pages 646-677, May. [Downloadable!] (restricted)
  20. Choi, E Kwan & Harrigan, James, 2004. "Handbook of International Trade," Staff General Research Papers 11375, Iowa State University, Department of Economics.
  21. 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)
  22. Daniel Trefler, 2004. "The Long and Short of the Canada-U. S. Free Trade Agreement," American Economic Review, American Economic Association, vol. 94(4), pages 870-895, September. [Downloadable!]
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  23. repec:rus:hseeco:121669 is not listed on IDEAS
  24. Sofronis Clerides & Saul Lach & James Tybout, 1996. "Is "Learning-by-Exporting" Important? Micro-Dynamic Evidence from Colombia, Mexico and Morocco," NBER Working Papers 5715, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  25. Marc J. Melitz & Gianmarco I.P. Ottaviano, 2005. "Market Size, Trade, and Productivity," NBER Working Papers 11393, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  26. Jonathan Eaton & Samuel Kortum, 2002. "Technology, Geography, and Trade," Econometrica, Econometric Society, vol. 70(5), pages 1741-1779, September. [Downloadable!] (restricted)
  27. Marc J. Melitz, 2003. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," Econometrica, Econometric Society, vol. 71(6), pages 1695-1725, November. [Downloadable!] (restricted)
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  28. Bernard, Andrew B. & Jensen, J. Bradford & Schott, Peter K., 2006. "Survival of the best fit: Exposure to low-wage countries and the (uneven) growth of U.S. manufacturing plants," Journal of International Economics, Elsevier, vol. 68(1), pages 219-237, January. [Downloadable!] (restricted)
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  29. Pavcnik, Nina, 2002. "Trade Liberalization, Exit, and Productivity Improvement: Evidence from Chilean Plants," Review of Economic Studies, Blackwell Publishing, vol. 69(1), pages 245-76, January.
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  30. repec:rus:hseeco:122439 is not listed on IDEAS
  31. Russell Hillberry & David Hummels, 2005. "Trade Responses to Geographic Frictions: A Decomposition Using Micro-Data," NBER Working Papers 11339, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  32. David Hummels & Peter J. Klenow, 2005. "The Variety and Quality of a Nation's Exports," American Economic Review, American Economic Association, vol. 95(3), pages 704-723, June. [Downloadable!]
  33. Juan Carlos Hallak & Peter K. Schott, 2008. "Estimating Cross-Country Differences in Product Quality," NBER Working Papers 13807, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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