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Currency crises and monetary policy in an economy with credit constraints

  • Aghion, Philippe
  • Bacchetta, Philippe
  • Banerjee, Abhijit

This paper presents a simple model of currency crises which is driven by the interplay between the credit constraints of private domestic firms and the existence of nominal price rigidities. The possibility of multiple equilibria, including a ‘currency crisis’ equilibrium with low output and a depreciated domestic currency, results from the following mechanism: If nominal prices are ‘sticky’, a currency depreciation leads to an increase in the foreign currency debt repayment obligations of firms, and thus to a fall in their profits; this reduces firms’ borrowing capacity and therefore investment and output in a credit-constrained economy, which in turn reduces the demand for the domestic currency and leads to a depreciation. We examine the impact of various shocks, including productivity, fiscal, or expectational shocks. We then analyze the optimal monetary policy to prevent or solve currency crises. We also argue that currency crises can occur both under fixed and flexible exchange rate regimes as the primary source of crises is the deteriorating balance sheet of private firms.

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Article provided by Elsevier in its journal European Economic Review.

Volume (Year): 45 (2001)
Issue (Month): 7 ()
Pages: 1121-1150

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Handle: RePEc:eee:eecrev:v:45:y:2001:i:7:p:1121-1150
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  1. Philippe Aghion & Philippe Bacchetta & Abhijit Banerjee, 1999. "A Simple Model of Monetary Pollicy and Currency Crises," Working Papers 99.05, Swiss National Bank, Study Center Gerzensee.
  2. Roberto Chang & Andrés Velasco, 2000. "Liquidity Crises in Emerging Markets: Theory and Policy," NBER Chapters, in: NBER Macroeconomics Annual 1999, Volume 14, pages 11-78 National Bureau of Economic Research, Inc.
  3. Paul Krugman, 1999. "Balance Sheets, the Transfer Problem, and Financial Crises," International Tax and Public Finance, Springer, vol. 6(4), pages 459-472, November.
  4. Ben S. Bernanke & Mark Gertler, 1995. "Inside the Black Box: The Credit Channel of Monetary Policy Transmission," Journal of Economic Perspectives, American Economic Association, vol. 9(4), pages 27-48, Fall.
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  7. Ilan Goldfajn & Poonam Gupta, 1999. "Does Monetary Policy Stabilize the Exchange Rate Following a Currency Crisis?," IMF Working Papers 99/42, International Monetary Fund.
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  9. Krugman, Paul, 1979. "A Model of Balance-of-Payments Crises," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 11(3), pages 311-25, August.
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  11. Frederic S. Mishkin, 1999. "Global Financial Instability: Framework, Events, Issues," Journal of Economic Perspectives, American Economic Association, vol. 13(4), pages 3-20, Fall.
  12. Baig, Taimur & Goldfajn, Ilan, 2002. "Monetary Policy in the Aftermath of Currency Crises: The Case of Asia," Review of International Economics, Wiley Blackwell, vol. 10(1), pages 92-112, February.
  13. Bensaid, B.B. & Jeanne, O., 1995. "The Instability of Fixed Exchange Rate Systems when Raising the Nominal Interest Rate is Costly," Papers 9536, Tilburg - Center for Economic Research.
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  16. Nancy P. Marion & Robert P. Flood, 1998. "Perspectiveson the Recent Currency Crisis Literature," IMF Working Papers 98/130, International Monetary Fund.
  17. Aghion, Philippe & Bacchetta, Philippe & Banerjee, Abhijit, 1999. "Capital Markets and the Instability of Open Economies," CEPR Discussion Papers 2083, C.E.P.R. Discussion Papers.
  18. E Falcetti & S Milner, 1999. "The Currency Denomination of Public Debt and the Choice of the Monetary Regime," CEP Discussion Papers dp0427, Centre for Economic Performance, LSE.
  19. Philippe Bacchetta, 2000. "Monetary Policy with Foreign Currency Debt," Working Papers 00.03, Swiss National Bank, Study Center Gerzensee.
  20. Giancarlo Corsetti & Paolo Pesenti & Nouriel Roubini, 1998. "What Caused the Asian Currency and Financial Crisis? Part I: A Macroeconomic Overview," NBER Working Papers 6833, National Bureau of Economic Research, Inc.
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  23. Engel, Charles, 1993. "Real exchange rates and relative prices : An empirical investigation," Journal of Monetary Economics, Elsevier, vol. 32(1), pages 35-50, August.
  24. Jason Furman & Joseph E. Stiglitz, 1998. "Economic Crises: Evidence and Insights from East Asia," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 29(2), pages 1-136.
  25. Maurice Obstfeld, 1994. "The Logic of Currency Crises," NBER Working Papers 4640, National Bureau of Economic Research, Inc.
  26. Bohn, Henning, 1990. "A positive theory of foreign currency debt," Journal of International Economics, Elsevier, vol. 29(3-4), pages 273-292, November.
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