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Inflation persistence and asymmetries: evidence for African countries

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  • Juan Carlos Cuestas
  • Estefanía Mourelle

Abstract

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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Bibliographic Info

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
Date of revision:
Handle: RePEc:nbs:wpaper:2009/2

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Web page: http://www.ntu.ac.uk/nbs

Related research

Keywords: Inflation; Persistence; Unit Roots; Nonlinearities.;

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References

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  1. 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.
  2. Christopher F. Baum & John Barkoulas & Mustafa Caglayan, 1996. "Persistence in International Inflation Rates," Boston College Working Papers in Economics 333., Boston College Department of Economics.
  3. 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.
  4. Luis Arango & Andres Gonzalez, 2001. "Some evidence of smooth transition nonlinearity in Colombian inflation," Applied Economics, Taylor & Francis Journals, vol. 33(2), pages 155-162.
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  9. 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.
  10. 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.
  11. Taylor, John B, 1980. "Aggregate Dynamics and Staggered Contracts," Journal of Political Economy, University of Chicago Press, vol. 88(1), pages 1-23, February.
  12. Eitrheim, Øyvind & Teräsvirta, Timo, 1995. "Testing the Adequacy of Smooth Transition Autoregressive Models," Working Paper Series in Economics and Finance 56, Stockholm School of Economics.
  13. Orphanides, Athanasios & Wieland, Volker, 2000. "Inflation zone targeting," European Economic Review, Elsevier, vol. 44(7), pages 1351-1387, June.
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  15. Taylor, John B, 1979. "Staggered Wage Setting in a Macro Model," American Economic Review, American Economic Association, vol. 69(2), pages 108-13, May.
  16. Peter C.B. Phillips, 1985. "Time Series Regression with a Unit Root," Cowles Foundation Discussion Papers 740R, Cowles Foundation for Research in Economics, Yale University, revised Feb 1986.
  17. 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.
  18. 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.
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  21. 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.
  22. Calvo, Guillermo A., 1983. "Staggered prices in a utility-maximizing framework," Journal of Monetary Economics, Elsevier, vol. 12(3), pages 383-398, September.
  23. 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.
  24. 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.
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  26. 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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  29. 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.
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Cited by:
  1. Coleman, Simeon, 2010. "Inflation persistence in the Franc zone: Evidence from disaggregated prices," Journal of Macroeconomics, Elsevier, vol. 32(1), pages 426-442, March.

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