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Productivity spillovers, terms of trade, and the "home market effect"

  • Giancarlo Corsetti
  • Philippe Martin
  • Paolo 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 from manufacturing efficiency and those related to firms' lower cost of entry or 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 not only 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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Paper provided by Federal Reserve Bank of New York in its series Staff Reports with number 201.

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Date of creation: 2005
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Handle: RePEc:fip:fednsr:201
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  1. David Weinstein & Christian Broda, 2004. "Globalization and the Gains from Variety," Econometric Society 2004 North American Summer Meetings 508, Econometric Society.
  2. Paul R. Bergin & Reuven Glick, 2003. "Endogenous Tradability and Macroeconomic Implications," NBER Working Papers 9739, National Bureau of Economic Research, Inc.
  3. 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.
  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. Richard E. Baldwin & Rikard Forslid, 2006. "Trade Liberalization with Heterogenous Firms," NBER Working Papers 12192, National Bureau of Economic Research, Inc.
  6. Acemoglu, Daron & Ventura, Jaume, 2001. "The World Income Distribution," CEPR Discussion Papers 2973, C.E.P.R. Discussion Papers.
  7. Fabio Ghironi & Marc Melitz, 2004. "International Trade and Macroeconomic Dynamics with Heterogeneous Firms," 2004 Meeting Papers 451, Society for Economic Dynamics.
  8. 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.
  9. James E. Anderson & Eric van Wincoop, 2004. "Trade Costs," NBER Working Papers 10480, National Bureau of Economic Research, Inc.
  10. Benassy, Jean-Pascal, 1996. "Taste for variety and optimum production patterns in monopolistic competition," Economics Letters, Elsevier, vol. 52(1), pages 41-47, July.
  11. Reuven Glick & Paul Bergin, 2003. "Endogenous Nontradability and Macroeconomic Implications," Computing in Economics and Finance 2003 106, Society for Computational Economics.
  12. Marc J. Melitz, 2003. "The Impact of Trade on Intra-Industry Reallocations and Aggregate Industry Productivity," Econometrica, Econometric Society, vol. 71(6), pages 1695-1725, November.
  13. Krugman, Paul, 1989. "Differences in income elasticities and trends in real exchange rates," European Economic Review, Elsevier, vol. 33(5), pages 1031-1046, May.
  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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