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Inflation persistence and asymmetries: evidence for African countries

  • Juan Carlos Cuestas
  • Estefanía Mourelle

In this paper we aim at testing the inflation persistence hypothesis as well as modelling (using logistic smooth transition autoregressive, LSTAR, models) the long run behaviour of inflation rates in a pool of African countries. In order to do so, we rely on unit root tests applied to nonlinear models, i.e. Kapetanios et al. (2003). The results point to the non-persistence of inflation hypothesis for most of the countries. In addition, the estimated models are stable in the sense that the variable tends to remain in the regime (low inflation or high inflation) once reached and changes between regimes are only achieved after a shock.

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Paper provided by Nottingham Trent University, Nottingham Business School, Economics Division in its series Working Papers with number 2009/2.

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Date of creation: Feb 2009
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Handle: RePEc:nbs:wpaper:2009/2
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  1. Sargent, Thomas J & Wallace, Neil, 1973. "Rational Expectations and the Dynamics of Hyperinflation," International Economic Review, Department of Economics, University of Pennsylvania and Osaka University Institute of Social and Economic Research Association, vol. 14(2), pages 328-50, June.
  2. Sensier, Marianne & Osborn, Denise R & Ocal, Nadir, 2002. " Asymmetric Interest Rate Effects for the UK Real Economy," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 64(4), pages 315-39, September.
  3. Taylor, John B, 1979. "Staggered Wage Setting in a Macro Model," American Economic Review, American Economic Association, vol. 69(2), pages 108-13, May.
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  5. Alok Bhargava, 1986. "On the Theory of Testing for Unit Roots in Observed Time Series," Review of Economic Studies, Oxford University Press, vol. 53(3), pages 369-384.
  6. Skalin, Joakim & Teräsvirta, Timo, 1998. "Modelling asymmetries and moving equilibria in unemployment rates," SSE/EFI Working Paper Series in Economics and Finance 262, Stockholm School of Economics, revised 05 Oct 1998.
  7. Christopher F. Baum & John T. Barkoulas & Mustafa Caglayan, 1999. "Persistence in International Inflation Rates," Southern Economic Journal, Southern Economic Association, vol. 65(4), pages 900-913, April.
  8. Kapetanios, George & Shin, Yongcheol & Snell, Andy, 2003. "Testing for a unit root in the nonlinear STAR framework," Journal of Econometrics, Elsevier, vol. 112(2), pages 359-379, February.
  9. Arango, Luis E. & Melo, Luis F., 2006. "Expansions and contractions in Brazil, Colombia and Mexico: A view through nonlinear models," Journal of Development Economics, Elsevier, vol. 80(2), pages 501-517, August.
  10. Juan Carlos Cuestas & Estefania Mourelle, 2011. "Nonlinearities in real exchange rate determination: do African exchange rates follow a random walk?," Applied Economics, Taylor & Francis Journals, vol. 43(2), pages 243-258.
  11. Andros Gregoriou & Alexandros Kontonikas, 2005. "Inflation Targeting and the Stationarity of Inflation: New Results from an ESTAR Unit Root Test," Working Papers 2005_10, Business School - Economics, University of Glasgow.
  12. Nadir Ocal & Denise R. Osborn, 2000. "Business cycle non-linearities in UK consumption and production," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 15(1), pages 27-43.
  13. Orphanides, Athanasios & Wieland, Volker, 1999. "Inflation zone targeting," Working Paper Series 0008, European Central Bank.
  14. Potter, Simon M, 1999. " Nonlinear Time Series Modelling: An Introduction," Journal of Economic Surveys, Wiley Blackwell, vol. 13(5), pages 505-28, December.
  15. Byers, J D & Peel, D A, 2000. "Non-linear Dynamics of Inflation in High Inflation Economies," Manchester School, University of Manchester, vol. 68(0), pages 23-37, Supplemen.
  16. Jumah, Adusei & Kunst, Robert M., 2007. "Inflation in the West African Countries. The Impact of Cocoa Prices, Budget Deficits, and Migrant Remittances," Economics Series 219, Institute for Advanced Studies.
  17. Eitrheim, Oyvind & Terasvirta, Timo, 1996. "Testing the adequacy of smooth transition autoregressive models," Journal of Econometrics, Elsevier, vol. 74(1), pages 59-75, September.
  18. Luis Eduardo Arango & Andrés González, 1998. "Some Evidence Of Smooth Transition Nonlinearity In Colombian Inflation," BORRADORES DE ECONOMIA 003515, BANCO DE LA REPÚBLICA.
  19. Juan Carlos Cuestas & Barry Harrison, 2008. "Testing for stationarity of inflation in Central and Eastern European Countries," Working Papers 2008/13, Nottingham Trent University, Nottingham Business School, Economics Division.
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  21. 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.
  22. Skalin, Joakim & Teräsvirta, Timo, 1996. "Another Look at Swedish Business Cycles, 1861-1988," SSE/EFI Working Paper Series in Economics and Finance 130, Stockholm School of Economics.
  23. Coleman, Simeon, 2010. "Inflation persistence in the Franc zone: Evidence from disaggregated prices," Journal of Macroeconomics, Elsevier, vol. 32(1), pages 426-442, March.
  24. Henry, Olan T. & Shields, Kalvinder, 2004. "Is there a unit root in inflation?," Journal of Macroeconomics, Elsevier, vol. 26(3), pages 481-500, September.
  25. Simeon Coleman, 2008. "Estimating Equilibrium Real Exchange Rates in the Franc Zone," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 17(4), pages 600-634, August.
  26. Terasvirta, T & Anderson, H M, 1992. "Characterizing Nonlinearities in Business Cycles Using Smooth Transition Autoregressive Models," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 7(S), pages S119-36, Suppl. De.
  27. repec:nbr:nberre:0126 is not listed on IDEAS
  28. Taylor, John B, 1980. "Aggregate Dynamics and Staggered Contracts," Journal of Political Economy, University of Chicago Press, vol. 88(1), pages 1-23, February.
  29. Taylor, Mark P. & Peel, David A., 2000. "Nonlinear adjustment, long-run equilibrium and exchange rate fundamentals," Journal of International Money and Finance, Elsevier, vol. 19(1), pages 33-53, February.
  30. Andros Gregoriou & Alexandros Kontonikas, 2005. "Modeling The Non-Linear Behaviour of Inflation Deviations From The Target," Working Papers 2005_12, Business School - Economics, University of Glasgow.
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  32. Manmohan S. Kumar & Tatsuyoshi Okimoto, 2007. "Dynamics of Persistence in International Inflation Rates," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 39(6), pages 1457-1479, 09.
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