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Euro-zone Inflation Rates: Stationary or Regime-wise Stationary Processes

  • Claude Lopez

    ()

    (University of Cincinnati)

This study investigates the stationary behavior of the inflation rates for the Euro-zone members and some neighboring countries, for the 1957:2 to 2007:3 period. The analysis uses univariate unit root tests with enhanced small-sample performances that allow up to two breaks in the intercept, namely those of Elliott et al. (1996) and Lopez (2008). The results strongly reject the unit root null hypothesis for all the countries. Furthermore, they demonstrate that some of the Euro-zone inflation rates are stationary and others are regime-wise stationary. While such results may reconcile some of the literature findings and provide empirical evidence that the Maastricht criterion is respected, they also highlight the importance of accounting for breaks when studying these series. Finally, none of the identified breaks take place in the post Euro era.

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File URL: http://www.accessecon.com/Pubs/EB/2009/Volume29/EB-09-V29-I1-P25.pdf
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Article provided by AccessEcon in its journal Economics Bulletin.

Volume (Year): 29 (2009)
Issue (Month): 1 ()
Pages: 238-243

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Handle: RePEc:ebl:ecbull:eb-08e30004
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  1. Charles Engel & John H. Rogers, 2004. "European product market integration after the euro," Economic Policy, CEPR;CES;MSH, vol. 19(39), pages 347-384, 07.
  2. MacKinnon, James G, 1996. "Numerical Distribution Functions for Unit Root and Cointegration Tests," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 11(6), pages 601-18, Nov.-Dec..
  3. Margarida Duarte, 2003. "The euro and inflation divergence in Europe," Economic Quarterly, Federal Reserve Bank of Richmond, issue Sum, pages 53-70.
  4. Saikkonen, Pentti & L tkepohl, Helmut, 2002. "Testing For A Unit Root In A Time Series With A Level Shift At Unknown Time," Econometric Theory, Cambridge University Press, vol. 18(02), pages 313-348, April.
  5. Chadha, Jagjit S & Dimsdale, Nicholas H, 1999. "A Long View of Real Rates," Oxford Review of Economic Policy, Oxford University Press, vol. 15(2), pages 17-45, Summer.
  6. Clemente, Jesus & Montanes, Antonio & Reyes, Marcelo, 1998. "Testing for a unit root in variables with a double change in the mean," Economics Letters, Elsevier, vol. 59(2), pages 175-182, May.
  7. John H. Rogers & Gary Clyde Hufbauer & Erika Wada, 2001. "Price Level Convergence and Inflation in Europe," Working Paper Series WP01-1, Peterson Institute for International Economics.
  8. Claude Lopez, 2005. "Improved Unit Root Tests with Changes in the Intercept," University of Cincinnati, Economics Working Papers Series 2005-04, University of Cincinnati, Department of Economics, revised 2006.
  9. Busetti, Fabio & Forni, Lorenzo & Harvey, Andrew & Venditti, Fabrizio, 2006. "Inflation convergence and divergence within the European Monetary Union," Working Paper Series 0574, European Central Bank.
  10. Riemer P. Faber & Ad C.J. Stokman, 2005. "Price Convergence in Europe from a Macro Perspective: Product Categories and Reliability," DNB Working Papers 034, Netherlands Central Bank, Research Department.
  11. Weber, Axel A. & Beck, Günter W., 2005. "Price stability, inflation convergence and diversity in EMU: Does one size fit all?," CFS Working Paper Series 2005/30, Center for Financial Studies (CFS).
  12. Vogelsang, T.I. & Perron, P., 1991. "Nonstationary and Level Shifts With An Application To Purchasing Power Parity," Papers 359, Princeton, Department of Economics - Econometric Research Program.
  13. Lanne, Markku & Lütkepohl, Helmut & Saikkonen, Pentti, 2001. "Test procedures for unit roots in time series with level shifts at unknown time," SFB 373 Discussion Papers 2001,39, Humboldt University of Berlin, Interdisciplinary Research Project 373: Quantification and Simulation of Economic Processes.
  14. Claude Lopez, 2008. "GLS-detrending and Regime-wise Stationarity Testing in Small Samples," University of Cincinnati, Economics Working Papers Series 2008-01, University of Cincinnati, Department of Economics, revised 2008.
  15. Graham Elliott & Thomas J. Rothenberg & James H. Stock, 1992. "Efficient Tests for an Autoregressive Unit Root," NBER Technical Working Papers 0130, National Bureau of Economic Research, Inc.
  16. Philip Lane & Patrick Honohan, 2005. "Exchange Rates and Inflation under EMU: An Update," The Institute for International Integration Studies Discussion Paper Series iiisdp031, IIIS.
  17. Burridge, Peter & Taylor, A M Robert, 2000. " On the Power of GLS-Type Unit Root Tests," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 62(5), pages 633-45, December.
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