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Trend Inflation and Exchange Rate Dynamics : A New Keynesian Approach


  • KANO, Takashi


The paper studies exchange rate implications of trend inflation within a two-country New Keynesian (NK) model under incomplete international financial markets. A NK Phillips curve generalized by trend inflation with a positive long-run mean implies an expectational difference equation of inflation with higher-order leads of expected inflation. The resulting two-country inflation differential is smoother, more persistent, and more insensitive to a real exchange rate. General equilibrium then yields (i) a persistent real exchange rate with an autoregressive root close to one, (ii) a hump-shaped impulse response of a real exchange rate with a half-life longer than four years, (iii) a volatile real exchange rate relative to cross-country inflation differential, (iv) an almost perfect co-movement between real and nominal exchange rates. and (v) a sharp rise in the volatility of a real exchange rate from a managed nominal exchange rate regime to a flexible one within an otherwise standard two-country NK model. Trend inflation, therefore, approaches empirical puzzles of exchange rates dynamics.

Suggested Citation

  • KANO, Takashi, 2016. "Trend Inflation and Exchange Rate Dynamics : A New Keynesian Approach," Discussion paper series HIAS-E-38, Hitotsubashi Institute for Advanced Study, Hitotsubashi University.
  • Handle: RePEc:hit:hiasdp:hias-e-38

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    References listed on IDEAS

    1. Martin Eichenbaum & Charles L. Evans, 1995. "Some Empirical Evidence on the Effects of Shocks to Monetary Policy on Exchange Rates," The Quarterly Journal of Economics, Oxford University Press, vol. 110(4), pages 975-1009.
    2. Charles Engel & Kenneth D. West, 2005. "Exchange Rates and Fundamentals," Journal of Political Economy, University of Chicago Press, vol. 113(3), pages 485-517, June.
    3. Peter N. Ireland, 2007. "Changes in the Federal Reserve's Inflation Target: Causes and Consequences," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(8), pages 1851-1882, December.
    4. Backus, David K. & Smith, Gregor W., 1993. "Consumption and real exchange rates in dynamic economies with non-traded goods," Journal of International Economics, Elsevier, vol. 35(3-4), pages 297-316, November.
    5. V. V Chari & Patrick J. Kehoe & Ellen R. McGrattan, 2002. "Can Sticky Price Models Generate Volatile and Persistent Real Exchange Rates?," Review of Economic Studies, Oxford University Press, vol. 69(3), pages 533-563.
    6. Jón Steinsson, 2008. "The Dynamic Behavior of the Real Exchange Rate in Sticky Price Models," American Economic Review, American Economic Association, vol. 98(1), pages 519-533, March.
    7. Jens Iversen & Ulf S?derstr?m, 2014. "The Dynamic Behavior of the Real Exchange Rate in Sticky Price Models: Comment," American Economic Review, American Economic Association, vol. 104(3), pages 1072-1089, March.
    8. Cheung, Yin-Wong & Lai, Kon S., 2000. "On the purchasing power parity puzzle," Journal of International Economics, Elsevier, vol. 52(2), pages 321-330, December.
    9. Guido Ascari & Argia M. Sbordone, 2014. "The Macroeconomics of Trend Inflation," Journal of Economic Literature, American Economic Association, vol. 52(3), pages 679-739, September.
    10. Monacelli, Tommaso, 2004. "Into the Mussa puzzle: monetary policy regimes and the real exchange rate in a small open economy," Journal of International Economics, Elsevier, vol. 62(1), pages 191-217, January.
    11. KANO, Takashi, 2016. "Exchange Rates and Fundamentals: A General Equilibrium Exploration," Discussion paper series HIAS-E-19, Hitotsubashi Institute for Advanced Study, Hitotsubashi University.
    12. Benigno, Gianluca, 2004. "Real exchange rate persistence and monetary policy rules," Journal of Monetary Economics, Elsevier, vol. 51(3), pages 473-502, April.
    13. Timothy Cogley & Argia M. Sbordone, 2008. "Trend Inflation, Indexation, and Inflation Persistence in the New Keynesian Phillips Curve," American Economic Review, American Economic Association, vol. 98(5), pages 2101-2126, December.
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    More about this item


    Real and Nominal Exchange Rates; Trend Inflation; New Keynesian Models;

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E52 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit - - - Monetary Policy
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • F41 - International Economics - - Macroeconomic Aspects of International Trade and Finance - - - Open Economy Macroeconomics

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