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Government Purchases and the Real Exchange Rate

  • Kollmann, Robert

Recent empirical research documents that an exogenous rise in government purchases in a given country triggers a persistent depreciation of its real exchange rate - which raises an important puzzle, as standard macro models predict an appreciation of the real exchange rate. This paper presents a simple model with limited international risk sharing that can account for the empirical real exchange rate response. When faced with a country-specific rise in government purchases, local households experience a negative wealth effect; they thus work harder, and domestic output increases. Under balanced trade (financial autarky) this supply-side effect is so strong that the terms of trade worsen, and the real exchange rate depreciates. In a bonds-only economy, an increase in government purchases triggers a real exchange rate depreciation, if the rise in government purchases is sufficiently persistent and/or labor supply is highly elastic.

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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 7427.

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Date of creation: Aug 2009
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Handle: RePEc:cpr:ceprdp:7427
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  1. Wendy Edelberg & Martin Eichenbaum & Jonas D.M. Fisher, 1998. "Understanding the Effects of a Shock to Government Purchases," NBER Working Papers 6737, National Bureau of Economic Research, Inc.
  2. Nicolas Coeurdacier & Robert Kollmann & Philippe Martin, 2010. "International portfolios, capital accumulation and foreign assets dynamics," Sciences Po publications info:hdl:2441/c8dmi8nm4pd, Sciences Po.
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  7. Christopher Erceg & Luca Guerrieri, 2005. "Expansionary Fiscal Shocks and the Trade Deficit," Computing in Economics and Finance 2005 128, Society for Computational Economics.
  8. Kollmann, Robert, 1996. "Incomplete asset markets and the cross-country consumption correlation puzzle," Journal of Economic Dynamics and Control, Elsevier, vol. 20(5), pages 945-961, May.
  9. David K. Backus & Patrick J. Kehoe & Finn E. Kydland, 1992. "Dynamics of the trade balance and the terms of trade: the S-curve," Working Paper 9211, Federal Reserve Bank of Cleveland.
  10. Enders, Zeno & Müller, Gernot & Scholl, Almuth, 2010. "How do Fiscal and Technology Shocks affect Real Exchange Rates? New Evidence for the United States," CEPR Discussion Papers 7732, C.E.P.R. Discussion Papers.
  11. Kollmann, R., 1992. "Consumption, Real Exchange Rates and the Structure of International Asset Markets," Cahiers de recherche 9232, Universite de Montreal, Departement de sciences economiques.
  12. David K. Backus & Gregor W. Smith, 1993. "Consumption and Real Exchange Rates in Dynamic Economies with Non-Traded Goods," Working Papers 1252, Queen's University, Department of Economics.
  13. Lombardo, Giovanni & Sutherland, Alan, 2003. "Monetary and fiscal interactions in open economies," Working Paper Series 0289, European Central Bank.
  14. Betts, Caroline & Devereux, Michael B., 2000. "Exchange rate dynamics in a model of pricing-to-market," Journal of International Economics, Elsevier, vol. 50(1), pages 215-244, February.
  15. Barro, Robert J., 1990. "Government Spending in a Simple Model of Endogeneous Growth," Scholarly Articles 3451296, Harvard University Department of Economics.
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  18. Gary Hansen, 2010. "Indivisible Labor and the Business Cycle," Levine's Working Paper Archive 233, David K. Levine.
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