International Finance in General Equilibrium

John Geanakoplos () and Dimitrios Tsomocos
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John Geanakoplos: Cowles Foundation, Yale University, https://economics.yale.edu/people/faculty/john-geanakoplos

No 1313, Cowles Foundation Discussion Papers from Cowles Foundation for Research in Economics, Yale University

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.

Keywords: Currency; cash; fiscal policy; montary policy; money; trade (search for similar items in EconPapers)
JEL-codes: E5 E6 F1 F2 F3 (search for similar items in EconPapers)
Pages: 50 pages
Date: 2001-07
New Economics Papers: this item is included in nep-ent, nep-ifn and nep-net
Note: CFP 1082.
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Published in Research in Economics (2002), 56: 85-142

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