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

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  • Corsetti, Giancarlo
  • Martin, Philippe
  • Pesenti, Paolo

Abstract

This paper analyses 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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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 4964.

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Date of creation: Mar 2005
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Handle: RePEc:cpr:ceprdp:4964

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Keywords: productivity; taste for variety; terms of trade; trade;

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  1. David Weinstein & Christian Broda, 2004. "Globalization and the Gains from Variety," 2004 Meeting Papers 530, Society for Economic Dynamics.
  2. Benassy, Jean-Pascal, 1996. "Taste for variety and optimum production patterns in monopolistic competition," Economics Letters, Elsevier, vol. 52(1), pages 41-47, July.
  3. Paul R. Bergin & Reuven Glick, 2003. "Endogenous Tradability and Macroeconomic Implications," NBER Working Papers 9739, National Bureau of Economic Research, Inc.
  4. Paul R. Bergin & Reuven Glick, 2005. "Endogenous nontradability and macroeconomic implications," Working Paper Series 2003-09, Federal Reserve Bank of San Francisco.
  5. Daron Acemoglu & Jaume Ventura, 2002. "The World Income Distribution," The Quarterly Journal of Economics, MIT Press, vol. 117(2), pages 659-694, May.
  6. Fabio Ghironi & Marc J. Melitz, 2004. "International Trade and Macroeconomic Dynamics with Heterogeneous Firms," NBER Working Papers 10540, National Bureau of Economic Research, Inc.
  7. 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.
  8. Richard E. Baldwin & Rikard Forslid, 2010. "Trade Liberalization with Heterogeneous Firms," Review of Development Economics, Wiley Blackwell, vol. 14(2), pages 161-176, 05.
  9. James E. Anderson & Eric van Wincoop, 2004. "Trade Costs," NBER Working Papers 10480, National Bureau of Economic Research, Inc.
  10. 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.
  11. 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.
  12. 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.
  13. Paul Krugman, 1988. "Differences In Income Elasticities and Trends in Real Exchange Rates," NBER Working Papers 2761, National Bureau of Economic Research, Inc.
  14. Christian Broda & David W. Weinstein, 2004. "Variety Growth and World Welfare," American Economic Review, American Economic Association, vol. 94(2), pages 139-144, May.
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