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The Impact of Trade on Aggregate Productivity and Welfare with Heterogeneous Firms and Business Cycle Uncertainty

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Jang Ping Thia
Abstract

This paper presents a model with monopolistic competition, productively heterogeneousfirms, and business cycle aggregate shocks. With firm-specific productive heterogeneity,weaker firms quit when faced with a negative aggregate shock. Consequently, trade does notalways increase firm-level aggregate productivity as negative shocks on the home market canbe compensated for by positive shocks elsewhere. Weaker firms, which would otherwise quitin autarky, can continue to operate by exporting. Despite this, trade can still improve welfarefor risk-averse consumers by reducing aggregate price fluctuations.

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Paper provided by Centre for Economic Performance, LSE in its series CEP Discussion Papers with number dp0883.

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Date of creation: Jul 2008
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Handle: RePEc:cep:cepdps:dp0883

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Related research
Keywords: Firm Heterogeneity; Globalisation; Business Cycles;

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Find related papers by JEL classification:
F4 - International Economics - - Macroeconomic Aspects of International Trade and Finance
F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies

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  1. Baldwin, Richard & Robert-Nicoud, Frédéric, 2005. "Trade and Growth with Heterogeneous Firms," CEPR Discussion Papers 4965, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  2. Maurice Obstfeld & Kenneth Rogoff, 2000. "The Six Major Puzzles in International Macroeconomics: Is There a Common Cause?," NBER Working Papers 7777, National Bureau of Economic Research, Inc. [Downloadable!] (restricted)
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  3. George Alessandria & Horag Choi, 2007. "Do Sunk Costs of Exporting Matter for Net Export Dynamics?," The Quarterly Journal of Economics, MIT Press, vol. 122(1), pages 289-336, 02. [Downloadable!] (restricted)
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  4. 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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  5. Montagna, Catia, 1995. "Monopolistic Competition with Firm-Specific Costs," Oxford Economic Papers, Oxford University Press, vol. 47(2), pages 318-28, April. [Downloadable!] (restricted)
  6. Hirsch, Seev & Lev, Baruch, 1971. "Sales Stabilization Through Export Diversification," The Review of Economics and Statistics, MIT Press, vol. 53(3), pages 270-77, August. [Downloadable!] (restricted)
  7. Andrew B. Bernard & Jonathan Eaton & J. Bradford Jensen & Samuel Kortum, 2003. "Plants and Productivity in International Trade," American Economic Review, American Economic Association, vol. 93(4), pages 1268-1290, September. [Downloadable!]
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  8. Newbery, David M G & Stiglitz, Joseph E, 1984. "Pareto Inferior Trade," Review of Economic Studies, Blackwell Publishing, vol. 51(1), pages 1-12, January. [Downloadable!] (restricted)
  9. Fabio Ghironi & Marc Melitz, 2004. "International Trade and Macroeconomic Dynamics with Heterogeneous Firms," 2004 Meeting Papers 451, Society for Economic Dynamics. [Downloadable!]
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  10. Helpman, Elhanan & Melitz, Marc J & Yeaple, Stephen R, 2003. "Export versus FDI," CEPR Discussion Papers 3741, C.E.P.R. Discussion Papers. [Downloadable!] (restricted)
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  11. Dixit, Avinash, 1987. "Trade and insurance with moral hazard," Journal of International Economics, Elsevier, vol. 23(3-4), pages 201-220, November. [Downloadable!] (restricted)
  12. 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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  13. Bejan, Maria, 2006. "Trade Openness and Output Volatility," MPRA Paper 2759, University Library of Munich, Germany. [Downloadable!]
  14. Dixit, Avinash K & Stiglitz, Joseph E, 1977. "Monopolistic Competition and Optimum Product Diversity," American Economic Review, American Economic Association, vol. 67(3), pages 297-308, June. [Downloadable!] (restricted)
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  15. Elhanan Helpman & Marc J. Melitz & Stephen R. Yeaple, 2004. "Export Versus FDI with Heterogeneous Firms," American Economic Review, American Economic Association, vol. 94(1), pages 300-316, March. [Downloadable!]
  16. Dani Rodrik, 1998. "Why Do More Open Economies Have Bigger Governments?," Journal of Political Economy, University of Chicago Press, vol. 106(5), pages 997-1032, October. [Downloadable!] (restricted)
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