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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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File URL: http://www.ntu.ac.uk/research/document_uploads/85428.pdf
File Function: First version, 2009
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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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  10. Eitrheim, Øyvind & Teräsvirta, Timo, 1995. "Testing the Adequacy of Smooth Transition Autoregressive Models," SSE/EFI Working Paper Series in Economics and Finance 56, Stockholm School of Economics.
  11. Andros Gregoriou & Alexandros Kontonikas, 2006. "Inflation Targeting And The Stationarity Of Inflation: New Results From An Estar Unit Root Test," Bulletin of Economic Research, Wiley Blackwell, vol. 58(4), pages 309-322, October.
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  15. 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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  17. Henry, Olan T. & Shields, Kalvinder, 2004. "Is there a unit root in inflation?," Journal of Macroeconomics, Elsevier, vol. 26(3), pages 481-500, September.
  18. 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.
  19. 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.
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  23. Simeon Coleman, 2008. "Inflation persistence in the Franc Zone: evidence from disaggregated prices," Working Papers 2008/16, Nottingham Trent University, Nottingham Business School, Economics Division.
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  26. 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.
  27. 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.
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  30. Juan Carlos Cuestas & Estefania Mourelle, 2008. "Nonlinearities in real exchange rate determination: do African exchange rates follow a radom walk?," Working Papers 2008/8, Nottingham Trent University, Nottingham Business School, Economics Division.
  31. 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.
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