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Trade and Growth with Heterogeneous Firms

  • Richard E. Baldwin
  • Frédéric Robert-Nicoud

This paper explores the impact of trade on growth when firms are heterogeneous. We find that greater openness produces anti-and pro-growth effects. The Melitz-model selection effects raises the expected cost of introducing a new variety and this tends to slow the rate of new-variety introduction and hence growth. The pro-growth effect stems from the impact that freer trade has on the marginal cost of innovating. The balance of the two effects is ambiguous with the sign depending upon the exact nature of the innovation technology and its connection to international trade in goods and ideas. We consider five special cases (these include the Grossman-Helpman, the Coe- Helpman and Rivera-Batiz-Romer models) two of which suggest that trade harms growth; the others predicting the opposite.

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Paper provided by Centre for Economic Performance, LSE in its series CEP Discussion Papers with number dp0727.

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Date of creation: Jun 2006
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Handle: RePEc:cep:cepdps:dp0727
Contact details of provider: Web page: http://cep.lse.ac.uk/_new/publications/series.asp?prog=CEP

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  24. Volker Nocke, 2003. "A Gap for Me: Entrepreneurs and Entry," PIER Working Paper Archive 05-026, Penn Institute for Economic Research, Department of Economics, University of Pennsylvania, revised 29 Sep 2005.
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  26. Dixit, Avinash K, 1989. "Entry and Exit Decisions under Uncertainty," Journal of Political Economy, University of Chicago Press, vol. 97(3), pages 620-38, June.
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  28. Andrew B. Bernard & Jonathan Eaton & J. Bradford Jenson & Samuel Kortum, 2000. "Plants and Productivity in International Trade," NBER Working Papers 7688, National Bureau of Economic Research, Inc.
  29. Demidova, Svetlana, 2005. "Productivity Improvements and Falling Trade Costs: Boon or Bane?," Working Papers 2-05-1, Pennsylvania State University, Department of Economics.
  30. Richard E. Baldwin & Rikard Forslid, 1996. "Trade Liberalization and Endogenous Growth: A q-Theory Approach," NBER Working Papers 5549, National Bureau of Economic Research, Inc.
  31. Paul M Romer, 1999. "Endogenous Technological Change," Levine's Working Paper Archive 2135, David K. Levine.
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  35. Paul Segerstrom & Elias Dinopoulos, 1999. "A Schumpeterian Model of Protection and Relative Wages," American Economic Review, American Economic Association, vol. 89(3), pages 450-472, June.
  36. Jaffe, Adam B & Trajtenberg, Manuel & Henderson, Rebecca, 1993. "Geographic Localization of Knowledge Spillovers as Evidenced by Patent Citations," The Quarterly Journal of Economics, MIT Press, vol. 108(3), pages 577-98, August.
  37. Bee Yan Aw & Sukkyun Chung & Mark J. Roberts, 1998. "Productivity and the Decision to Export: Micro Evidence from Taiwan and South Korea," NBER Working Papers 6558, National Bureau of Economic Research, Inc.
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  39. Baldwin, Richard & Robert-Nicoud, Frédéric, 2004. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity: A Comment," CEPR Discussion Papers 4634, C.E.P.R. Discussion Papers.
  40. Romer, Paul M, 1986. "Increasing Returns and Long-run Growth," Journal of Political Economy, University of Chicago Press, vol. 94(5), pages 1002-37, October.
  41. Jonathan Eaton & Samuel Kortum, 2001. "Technology, Trade, and Growth: A Unified Fremework," Boston University - Department of Economics - The Institute for Economic Development Working Papers Series dp-110, Boston University - Department of Economics.
  42. Hopenhayn, Hugo A., 1992. "Exit, selection, and the value of firms," Journal of Economic Dynamics and Control, Elsevier, vol. 16(3-4), pages 621-653.
  43. Dinopoulos, Elias & Segerstrom, Paul, 1999. "The dynamic effects of contingent tariffs," Journal of International Economics, Elsevier, vol. 47(1), pages 191-222, February.
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