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Persistent Appreciations and Overshooting: A Normative Analysis

  • Ricardo J. Caballero
  • Guido Lorenzoni

Most economies experience episodes of persistent real exchange rate appreciations, when the question arises whether there is a need for intervention to protect the export sector. In this paper we present a model of irreversible destruction where exchange rate intervention may be justified if the export sector is financially constrained. However the criterion for intervention is not whether there are bankruptcies or not, but whether these can cause a large exchange rate overshooting once the factors behind the appreciation subside. The optimal policy includes ex-ante and ex-post interventions. Ex-ante (i.e., during the appreciation phase) interventions have limited effects if the financial resources in the export sector are relatively abundant. In this case the bulk of the intervention takes place ex-post, and is concentrated in the first period of the depreciation phase. In contrast, if the financial constraint in the export sector is tight, the policy is shifted toward ex-ante intervention and it is optimal to lean against the appreciation. On the methodological front, we develop a framework to study optimal dynamic interventions in economies with financially constrained agents.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 13077.

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Date of creation: May 2007
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Publication status: published as Ricardo J Caballero & Guido Lorenzoni, 2014. "Persistent Appreciations and Overshooting: A Normative Analysis," IMF Economic Review, Palgrave Macmillan, vol. 62(1), pages 1-47, April.
Handle: RePEc:nbr:nberwo:13077
Note: EFG IFM
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  1. Ilan Goldfajn & Rodrigo Valdés, 1997. "The Aftermath of Appreciations," Working Papers Central Bank of Chile 02, Central Bank of Chile.
  2. Guido Lorenzoni, 2007. "Inefficient Credit Booms," NBER Working Papers 13639, National Bureau of Economic Research, Inc.
  3. Philippe Aghion & Philippe Bacchetta & Romain Ranciere & Kenneth Rogoff, 2006. "Exchange Rate Volatility and Productivity Growth: The Role of Financial Development," Working Papers 06.02, Swiss National Bank, Study Center Gerzensee.
  4. Philippe Aghion & Philippe Bacchetta & Abhijit Banerjee, 2004. "Financial Development and the Instability of Open Economies," NBER Working Papers 10246, National Bureau of Economic Research, Inc.
  5. Emmanuel Farhi & Mikhail Golosov & Aleh Tsyvinski, 2006. "A Theory of Liquidity and Regulation of Financial Intermediation," Levine's Bibliography 321307000000000326, UCLA Department of Economics.
  6. Ricardo Caballero & Arvind Krishnamurthy, 2000. "International and Domestic Collateral Constraints in a Model of Emerging Market Crises," NBER Working Papers 7971, National Bureau of Economic Research, Inc.
  7. van Wijnbergen, Sweder J G, 1984. "The 'Dutch Disease': A Disease after All?," Economic Journal, Royal Economic Society, vol. 94(373), pages 41-55, March.
  8. Caballero, Ricardo J. & Krishnamurthy, Arvind, 2004. "Smoothing sudden stops," Journal of Economic Theory, Elsevier, vol. 119(1), pages 104-127, November.
  9. Burstein, Ariel Tomas & Eichenbaum, Martin & Rebelo, Sérgio, 2004. "Large Devaluations and the Real Exchange Rate," CEPR Discussion Papers 4810, C.E.P.R. Discussion Papers.
  10. Gourinchas, Pierre-Olivier & Landerretche, Oscar & Valdés, Rodrigo, 2001. "Lending Booms: Latin America and the World," CEPR Discussion Papers 2811, C.E.P.R. Discussion Papers.
  11. Thomas Chaney, 2013. "Liquidity Constrained Exporters," NBER Working Papers 19170, National Bureau of Economic Research, Inc.
  12. Hausmann, Ricardo & Panizza, Ugo & Rigobon, Roberto, 2006. "The long-run volatility puzzle of the real exchange rate," Journal of International Money and Finance, Elsevier, vol. 25(1), pages 93-124, February.
  13. Corden, W M, 1984. "Booming Sector and Dutch Disease Economics: Survey and Consolidation," Oxford Economic Papers, Oxford University Press, vol. 36(3), pages 359-80, November.
  14. Krugman, Paul, 1987. "The narrow moving band, the Dutch disease, and the competitive consequences of Mrs. Thatcher : Notes on trade in the presence of dynamic scale economies," Journal of Development Economics, Elsevier, vol. 27(1-2), pages 41-55, October.
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