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Structural breaks in the U.S. inflation process: a further investigation

  • J. Jouini
  • M. Boutahar

The selection procedure of Bai and Perron (Econometrica, 1998, 66, 47-78), based on a sequence of tests for multiple structural changes, is used to explore the empirical evidence of the instability by selecting the number of breaks and their locations for the post-war monthly U.S. inflation rate. The obtained results indicate that the U.S. inflation process is unstable after June 1982 as there is a break at the beginning of the 1990s. This conclusion contradicts that of Ben Aissa and Jouini (Applied Economics Letters, 2003, 10, 633-6), who show that using some information criteria, the evolution curve of U.S. inflation was flattened during the last 20 years, making the process stable. Hence this points to the fact that the procedure used is more powerful than the information criteria in detecting changes.

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Article provided by Taylor & Francis Journals in its journal Applied Economics Letters.

Volume (Year): 10 (2003)
Issue (Month): 15 ()
Pages: 985-988

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Handle: RePEc:taf:apeclt:v:10:y:2003:i:15:p:985-988
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  1. Jushan Bai & Pierre Perron, 2003. "Critical values for multiple structural change tests," Econometrics Journal, Royal Economic Society, vol. 6(1), pages 72-78, 06.
  2. Perron, P. & Bai, J., 1995. "Estimating and Testing Linear Models with Multiple Structural Changes," Cahiers de recherche 9552, Centre interuniversitaire de recherche en économie quantitative, CIREQ.
  3. Mohamed Safouane Ben Aissa & Jamel Jouini, 2003. "Structural breaks in the US inflation process," Applied Economics Letters, Taylor & Francis Journals, vol. 10(10), pages 633-636.
  4. Perron, Pierre, 1989. "The Great Crash, the Oil Price Shock, and the Unit Root Hypothesis," Econometrica, Econometric Society, vol. 57(6), pages 1361-1401, November.
  5. Jushan Bai & Pierre Perron, 2003. "Computation and analysis of multiple structural change models," Journal of Applied Econometrics, John Wiley & Sons, Ltd., vol. 18(1), pages 1-22.
  6. Zivot, Eric & Andrews, Donald W K, 2002. "Further Evidence on the Great Crash, the Oil-Price Shock, and the Unit-Root Hypothesis," Journal of Business & Economic Statistics, American Statistical Association, vol. 20(1), pages 25-44, January.
  7. Yao, Yi-Ching, 1988. "Estimating the number of change-points via Schwarz' criterion," Statistics & Probability Letters, Elsevier, vol. 6(3), pages 181-189, February.
  8. repec:cup:etheor:v:13:y:1997:i:3:p:315-52 is not listed on IDEAS
  9. Bai, Jushan, 1997. "Estimating Multiple Breaks One at a Time," Econometric Theory, Cambridge University Press, vol. 13(03), pages 315-352, June.
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