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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 analyse 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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Paper provided by C.E.P.R. Discussion Papers in its series CEPR Discussion Papers with number 2529.

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Date of creation: Aug 2000
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Handle: RePEc:cpr:ceprdp:2529
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  1. Piketty, Thomas & Banerjee, Abhijit & Aghion, Philippe, 1999. "Dualism and Macroeconomic Volatility," Scholarly Articles 4554124, Harvard University Department of Economics.
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  18. 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.
  19. Aghion, Philippe & Bacchetta, Philippe & Banerjee, Abhijit, 2000. "A simple model of monetary policy and currency crises," European Economic Review, Elsevier, vol. 44(4-6), pages 728-738, May.
  20. Charles Engel, 1992. "Real Exchange Rates and Relative Prices: An Empirical Investigation," NBER Working Papers 4231, National Bureau of Economic Research, Inc.
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  27. 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.
  28. Bensaid, Bernard & Jeanne, Olivier, 1997. "The instability of fixed exchange rate systems when raising the nominal interest rate is costly," European Economic Review, Elsevier, vol. 41(8), pages 1461-1478, August.
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