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Productivity Spillovers, Terms of Trade and the "Home Market Effect"

  • Giancarlo Corsetti
  • Philippe Martin
  • Paolo A. Pesenti

This paper analyzes the welfare implications of international spillovers related to productivity gains, changes in market size, or government spending. We introduce trade costs and endogenous varieties in a two-country general-equilibrium model with monopolistic competition, drawing a distinction between productivity gains that enhance manufacturing efficiency, and gains that lower the cost of firms' entry and product differentiation. Our model suggests that countries with lower manufacturing costs have higher GDP but supply a smaller number of goods at a lower international price. Countries with lower entry and differentiation costs also have higher GDP, but supply a larger array of goods at improved terms of trade. The sign of the international welfare spillovers depends on terms of trade, but also on consumers' taste for variety. Higher domestic demand has macroeconomic implications that are similar to those of a reduction in firms' entry costs.

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File URL: http://www.nber.org/papers/w11165.pdf
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 11165.

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Date of creation: Mar 2005
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Handle: RePEc:nbr:nberwo:11165
Note: ITI IFM
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  1. Paul Krugman, 1988. "Differences In Income Elasticities and Trends in Real Exchange Rates," NBER Working Papers 2761, National Bureau of Economic Research, Inc.
  2. Ghironi, Fabio & Melitz, Marc, 2005. "International Trade and Macroeconomic Dynamics with Heterogeneous Firms," Scholarly Articles 3228377, Harvard University Department of Economics.
  3. Mark J. Melitz, 2002. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," NBER Working Papers 8881, National Bureau of Economic Research, Inc.
  4. Christian Broda & David W. Weinstein, 2004. "Variety Growth and World Welfare," American Economic Review, American Economic Association, vol. 94(2), pages 139-144, May.
  5. Paul Bergin & Reuven Glick, 2005. "Endogenous Tradability andMacroeconomic Implications," Working Papers 513, University of California, Davis, Department of Economics.
  6. Richard E. Baldwin & Rikard Forslid, 2006. "Trade Liberalization with Heterogenous Firms," NBER Working Papers 12192, National Bureau of Economic Research, Inc.
  7. Dixit, Avinash K & Stiglitz, Joseph E, 1975. "Monopolistic Competition and Optimum Product Diversity," The Warwick Economics Research Paper Series (TWERPS) 64, University of Warwick, Department of Economics.
  8. Christian Broda & David E. Weinstein, 2006. "Globalization and the Gains from Variety," The Quarterly Journal of Economics, MIT Press, vol. 121(2), pages 541-585, May.
  9. 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.
  10. Paul R. Bergin & Reuven Glick, 2005. "Endogenous nontradability and macroeconomic implications," Working Paper Series 2003-09, Federal Reserve Bank of San Francisco.
  11. James E. Anderson & Eric van Wincoop, 2004. "Trade Costs," NBER Working Papers 10480, National Bureau of Economic Research, Inc.
  12. Daron Acemoglu & Jaume Ventura, 2001. "The World Income Distribution," NBER Working Papers 8083, National Bureau of Economic Research, Inc.
  13. Benassy, Jean-Pascal, 1996. "Taste for variety and optimum production patterns in monopolistic competition," Economics Letters, Elsevier, vol. 52(1), pages 41-47, July.
  14. Feenstra, Robert C, 1994. "New Product Varieties and the Measurement of International Prices," American Economic Review, American Economic Association, vol. 84(1), pages 157-77, March.
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