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Optimal Interest Rate Policy in a Small Open Economy

  • Eric Parrado
  • Andres Velasco

Using an optimizing model we derive the optimal monetary and exchange rate policy for a small stochastic open economy with imperfect competition and short run price rigidity. The optimal monetary policy has an exact closed-form solution and is obtained using the utility function of the representative home agent as welfare criterion. The optimal policy depends on the source of stochastic disturbances affecting the economy, much as in the literature pioneered by Poole (1970). Optimal monetary policy reacts to domestic and foreign disturbances. If the intertemporal elasticity of substitution in consumption is less than one, as is likely to be the case empirically, the optimal exchange rate policy implies a dirty float: interest rate shocks from abroad are met partially by adjusting home interest rates, and partially by allowing the exchange rate to move. This optimal pattern may help rationalize the observed fear of floating.

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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 8721.

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Date of creation: Jan 2002
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Handle: RePEc:nbr:nberwo:8721
Note: IFM
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  4. William Poole, 1970. "Optimal choice of monetary policy instruments in a simple stochastic macro model," Staff Studies 57, Board of Governors of the Federal Reserve System (U.S.).
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  9. Giancarlo Corsetti & Paolo Pesenti, 2001. "International Dimensions of Optimal Monetary Policy," NBER Working Papers 8230, National Bureau of Economic Research, Inc.
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  13. Ricardo Hausmann & Michael Gavin & Carmen Pagés-Serra & Ernesto H. Stein, 1999. "Financial Turmoil and Choice of Exchange Rate Regime," Research Department Publications 4170, Inter-American Development Bank, Research Department.
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  16. Alessandro Rebucci, 2004. "Monetary Rules for Emerging Market Economies," Econometric Society 2004 North American Summer Meetings 644, Econometric Society.
  17. Benigno, Gianluca & Benigno, Pierpaolo, 2001. "Price Stability as a Nash Equilibrium in Monetary Open-Economy Models," CEPR Discussion Papers 2757, C.E.P.R. Discussion Papers.
  18. Luis Felipe Céspedes & Roberto Chang & Andrés Velasco, 2004. "Balance Sheets and Exchange Rate Policy," American Economic Review, American Economic Association, vol. 94(4), pages 1183-1193, September.
  19. Maurice Obstfeld & Kenneth Rogoff, 1998. "Risk and Exchange Rates," NBER Working Papers 6694, National Bureau of Economic Research, Inc.
  20. Maurice Obstfeld & Kenneth S. Rogoff, 1996. "Foundations of International Macroeconomics," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262150476, June.
  21. Flood, Robert P, 1979. "Capital Mobility and the Choice of Exchange Rate System," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 20(2), pages 405-16, June.
  22. Jordi Gali & Tommaso Monacelli, 1999. "Optimal Monetary Policy and Exchange Rate Volatility in a Small Open Economy," Boston College Working Papers in Economics 438, Boston College Department of Economics, revised 15 Nov 1999.
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