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International Finance in General Equilibrium

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Abstract

Our purpose in this paper is to unify international trade and finance in a single general equilibrium model. Our model is rich enough to include multiple commodities (including traded and nontraded goods), heterogeneous consumers in each country, multiple time periods, multiple credit markets, and multiple currencies. Yet our model is simple enough to be effectively computable. We explicitly calculate the financial and real effects of changes in tariffs, productivity, and preferences, as well as the effects of monetary and fiscal policy. We maintain agent optimization, rational expectations, and market clearing (i.e., perfect competition with flexible prices) throughout. But because of the important role money plays, and because of the heterogeneity of markets and agents, we find that fiscal and monetary policy both have real effects. The effects of policy on real income, long-term interest rates, and exchange rates are qualitatively identical to those suggested in Mundell-Fleming (without the small country hypothesis), although our equilibrating mechanisms are different. However, because the Mundell-Fleming model ignores expectations and relative price changes, our model predicts different effects on the flow of capital, the balance of trade, and real exchange rates in some circumstances.

Suggested Citation

  • John Geanakoplos & Dimitri P. Tsomocos, 2001. "International Finance in General Equilibrium," Cowles Foundation Discussion Papers 1313, Cowles Foundation for Research in Economics, Yale University.
  • Handle: RePEc:cwl:cwldpp:1313
    Note: CFP 1082.
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    References listed on IDEAS

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    1. Jean-Michel Grandmont & Yves Younes, 1972. "On the Role of Money and the Existence of a Monetary Equilibrium," Review of Economic Studies, Oxford University Press, vol. 39(3), pages 355-372.
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    5. Martin Shubik, 2000. "The Theory of Money," Working Papers 00-03-021, Santa Fe Institute.
    6. M. Shubik & D. Tsomocos, 1992. "A strategic market game with a mutual bank with fractional reserves and redemption in gold," Journal of Economics, Springer, vol. 55(2), pages 123-150, June.
    7. Dornbusch, Rudiger, 1976. "Expectations and Exchange Rate Dynamics," Journal of Political Economy, University of Chicago Press, vol. 84(6), pages 1161-1176, December.
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    9. Grilli, Vittorio & Roubini, Nouriel, 1992. "Liquidity and exchange rates," Journal of International Economics, Elsevier, vol. 32(3-4), pages 339-352, May.
    10. Lucas, Robert Jr., 1990. "Liquidity and interest rates," Journal of Economic Theory, Elsevier, vol. 50(2), pages 237-264, April.
    11. John Kareken & Neil Wallace, 1981. "On the Indeterminacy of Equilibrium Exchange Rates," The Quarterly Journal of Economics, Oxford University Press, vol. 96(2), pages 207-222.
    12. Svensson, Lars E O & Razin, Assaf, 1983. "The Terms of Trade and the Current Account: The Harberger-Laursen-Metzler Effect," Journal of Political Economy, University of Chicago Press, vol. 91(1), pages 97-125, February.
    13. Bruno, M., 1973. "Protection and tariff change under general equilibrium," Journal of International Economics, Elsevier, vol. 3(3), pages 205-225, August.
    14. Hahn, Frank H., 1977. "The monetary approach to the balance of payments," Journal of International Economics, Elsevier, vol. 7(3), pages 231-249, August.
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    Citations

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    Cited by:

    1. Tsomocos, Dimitrios P., 2008. "Generic determinacy and money non-neutrality of international monetary equilibria," Journal of Mathematical Economics, Elsevier, vol. 44(7-8), pages 866-887, July.
    2. Dmitry Levando, 2012. "A Survey Of Strategic Market Games," Economic Annals, Faculty of Economics, University of Belgrade, vol. 57(194), pages 63-106, July - Se.
    3. Tsomocos, Dimitrios P., 2003. "Equilibrium analysis, banking and financial instability," Journal of Mathematical Economics, Elsevier, vol. 39(5-6), pages 619-655, July.
    4. Raphaël Espinoza & Charles. Goodhart & Dimitrios Tsomocos, 2009. "State prices, liquidity, and default," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 39(2), pages 177-194, May.
    5. Tsomocos, Dimitrios P., 2003. "Equilibrium analysis, banking, contagion and financial fragility," LSE Research Online Documents on Economics 24826, London School of Economics and Political Science, LSE Library.
    6. Peiris, M. Udara & Tsomocos, Dimitrios P., 2015. "International monetary equilibrium with default," Journal of Mathematical Economics, Elsevier, vol. 56(C), pages 47-57.
    7. Goodhart, Charles A. E. & Sunirand, Pojanart & Tsomocos, Dimitrios P., 2004. "A model to analyse financial fragility: applications," Journal of Financial Stability, Elsevier, vol. 1(1), pages 1-30, September.
    8. Hui Huang & John Whalley & Shunming Zhang, 2009. "Exploring policy options in joint intertemporal-spatial trade models using an incomplete markets approach," Economic Theory, Springer;Society for the Advancement of Economic Theory (SAET), vol. 41(1), pages 131-145, October.
    9. Gregor Irwin & David Vines, 2005. "The efficient resolution of capital account crises: how to avoid moral hazard," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 10(3), pages 233-250.

    More about this item

    Keywords

    Currency; cash; fiscal policy; montary policy; money; trade;

    JEL classification:

    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • E6 - Macroeconomics and Monetary Economics - - Macroeconomic Policy, Macroeconomic Aspects of Public Finance, and General Outlook
    • F1 - International Economics - - Trade
    • F2 - International Economics - - International Factor Movements and International Business
    • F3 - International Economics - - International Finance

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