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

  • Jang Ping Thia
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    This paper presents a model with monopolistic competition, productively heterogeneous firms, and business cycle aggregate shocks. With firm-specific productive heterogeneity, weaker firms quit when faced with a negative aggregate shock. Consequently, trade does not always increase firm-level aggregate productivity as negative shocks on the home market can be compensated for by positive shocks elsewhere. Weaker firms, which would otherwise quit in autarky, can continue to operate by exporting. Despite this, trade can still improve welfare for risk-averse consumers by reducing aggregate price fluctuations.

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    File URL: http://cep.lse.ac.uk/pubs/download/dp0883.pdf
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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
    Contact details of provider: Web page: http://cep.lse.ac.uk/_new/publications/series.asp?prog=CEP

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    1. 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.
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    8. Yeaple, Stephen & Helpman, Elhanan & Melitz, Marc, 2004. "Export versus FDI with Heterogeneous Firms," Scholarly Articles 3229098, Harvard University Department of Economics.
    9. Stephen J Redding & Peter K Schott & Andrew B Bernard, 2007. "Multi-product Firms and Trade Liberalization," 2007 Meeting Papers 44, Society for Economic Dynamics.
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    13. 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.
    14. Avinash Dixit, 1989. "Trade and Insurance with Imperfectly Observed Outcomes," The Quarterly Journal of Economics, Oxford University Press, vol. 104(1), pages 195-203.
    15. Batra, Raveendra N & Russell, William R, 1974. "Gains from Trade Under Uncertainty," American Economic Review, American Economic Association, vol. 64(6), pages 1040-48, December.
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    18. 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.
    19. Dixit, Avinash, 1987. "Trade and insurance with moral hazard," Journal of International Economics, Elsevier, vol. 23(3-4), pages 201-220, November.
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