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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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    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
    Date of revision:
    Handle: RePEc:cep:cepdps:dp0883
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    1. Richard E. Baldwin & Frédéric Robert-Nicoud, 2006. "Trade and Growth with Heterogenous Firms," NBER Working Papers 12326, National Bureau of Economic Research, Inc.
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    3. Ghironi, Fabio & Melitz, Marc J, 2004. "International Trade and Macroeconomic Dynamics with Heteroegenous Firms," CEPR Discussion Papers 4595, C.E.P.R. Discussion Papers.
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    8. 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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    10. 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.
    11. 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.
    12. 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.
    13. Maurice Obstfeld & Kenneth Rogoff, 2001. "The Six Major Puzzles in International Macroeconomics: Is There a Common Cause?," International Trade 0012003, EconWPA.
    14. Yeaple, Stephen & Helpman, Elhanan & Melitz, Marc, 2004. "Export versus FDI with Heterogeneous Firms," Scholarly Articles 3229098, Harvard University Department of Economics.
    15. Rodrik, Dani, 1996. "Why do More Open Economies Have Bigger Governments?," CEPR Discussion Papers 1388, C.E.P.R. Discussion Papers.
    16. repec:oup:restud:v:45:y:1978:i:2:p:239-50 is not listed on IDEAS
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    18. repec:oup:restud:v:51:y:1984:i:1:p:1-12 is not listed on IDEAS
    19. Montagna, Catia, 1995. "Monopolistic Competition with Firm-Specific Costs," Oxford Economic Papers, Oxford University Press, vol. 47(2), pages 318-28, April.
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