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Non-stationary Interest Rate Differentials and the Role of Monetary Policy

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  • Philipp Matros
  • Enzo Weber

Abstract

The present work deals with a frequently detected failure of the uncovered interest rate parity (UIP) - the absence of bivariate cointegration between domestic and foreign interest rates. We explain the non-stationarity of the interest differential via central bank reactions to exchange rate variations. Thereby, the exchange rate in levels introduces an additional stochastic trend into the system. Trivariate cointegration between the interest rates and the exchange rate accounts for the missing stationarity property of the interest differential. We apply the concept to the case of Turkey and Europe, where we can validate the theoretical considerations by multivariate time series techniques.

Suggested Citation

  • Philipp Matros & Enzo Weber, 2014. "Non-stationary Interest Rate Differentials and the Role of Monetary Policy," International Economic Journal, Taylor & Francis Journals, vol. 28(3), pages 497-512, September.
  • Handle: RePEc:taf:intecj:v:28:y:2014:i:3:p:497-512
    DOI: 10.1080/10168737.2014.912248
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    References listed on IDEAS

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    1. Obstfeld, Maurice & Rogoff, Kenneth, 1995. "Exchange Rate Dynamics Redux," Journal of Political Economy, University of Chicago Press, vol. 103(3), pages 624-660, June.
    2. Engel, Charles & West, Kenneth D., 2006. "Taylor Rules and the Deutschmark: Dollar Real Exchange Rate," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 38(5), pages 1175-1194, August.
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    4. McCallum, Bennett T., 1994. "A reconsideration of the uncovered interest parity relationship," Journal of Monetary Economics, Elsevier, vol. 33(1), pages 105-132, February.
    5. Søren Johansen & Rocco Mosconi & Bent Nielsen, 2000. "Cointegration analysis in the presence of structural breaks in the deterministic trend," Econometrics Journal, Royal Economic Society, vol. 3(2), pages 216-249.
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    7. Civcir, Irfan & Akçaglayan, AnIl, 2010. "Inflation targeting and the exchange rate: Does it matter in Turkey?," Journal of Policy Modeling, Elsevier, vol. 32(3), pages 339-354, May.
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    11. Cosmin Ilut, 2012. "Ambiguity Aversion: Implications for the Uncovered Interest Rate Parity Puzzle," American Economic Journal: Macroeconomics, American Economic Association, vol. 4(3), pages 33-65, July.
    12. Oliver Holtemöller, 2005. "Uncovered interest rate parity and analysis of monetary convergence of potential EMU accession countries," International Economics and Economic Policy, Springer, vol. 2(1), pages 33-63, June.
    13. Juselius, Katarina, 1995. "Do purchasing power parity and uncovered interest rate parity hold in the long run? An example of likelihood inference in a multivariate time-series model," Journal of Econometrics, Elsevier, vol. 69(1), pages 211-240, September.
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    Cited by:

    1. Riedel, Jana, 2013. "Real interest rate convergence among G7 countries," Annual Conference 2013 (Duesseldorf): Competition Policy and Regulation in a Global Economic Order 79928, Verein für Socialpolitik / German Economic Association.

    More about this item

    JEL classification:

    • E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models

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