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Trend inflation and exchange rate dynamics: A New Keynesian approach

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  • Takashi Kano

Abstract

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

  • Takashi Kano, 2016. "Trend inflation and exchange rate dynamics: A New Keynesian approach," CAMA Working Papers 2016-74, Centre for Applied Macroeconomic Analysis, Crawford School of Public Policy, The Australian National University.
    • Handle: RePEc:een:camaaa:2016-74
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    Cited by:

    1. Dudley Cooke & Engin Kara, 2018. "Can Trend Inflation Solve the Delayed Overshooting Puzzle?," Globalization Institute Working Papers 334, Federal Reserve Bank of Dallas.
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    More about this item

    Keywords

    Real and Nominal Exchange Rates; Trend Inflation; New Keynesian Models;
    All these keywords.

    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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