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Testing for Asymmetry in the Inflation-Unemployment Trade-off: Some Evidence for the USA

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  • Miguel St. Aubyn

Abstract

Two sources of asymmetry in the Phillips curve are considered: the "capacity constraint hypothesis" and downward rigidity on wages and/or prices. The short run trade-off between inflation changes and the unemployment gap is modeled in a state-space framework that allows for time variation in both the NAIRU and the trade-off parameter. Empirical evidence for the US using the Kalman filter favors convexity of the Phillips curve, the trade-off depending positively on the unemployment gap and on inflation changes. The two sources of asymmetry produce almost equivalent observational models, so it is not possible to distinguish one from the other.

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Bibliographic Info

Paper provided by ISEG - School of Economics and Management, Department of Economics, University of Lisbon in its series Working Papers Department of Economics with number 2000/05.

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Date of creation: 2000
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Handle: RePEc:ise:isegwp:wp52000

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Postal: Department of Economics, ISEG - School of Economics and Management, University of Lisbon, Rua do Quelhas 6, 1200-781 LISBON, PORTUGAL
Web page: https://aquila1.iseg.ulisboa.pt/aquila/departamentos/EC

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Keywords: Phillips curve; Kalman filter; state-space models; NAMU;

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  1. Breusch, Trevor S & Wickens, Michael R, 1987. "Dynamic Specification, the Long Run and the Estimation of Transformed Regression Models," CEPR Discussion Papers 154, C.E.P.R. Discussion Papers.
  2. Guy Debelle & Douglas Laxton, 1997. "Is the Phillips Curve Really a Curve? Some Evidence for Canada, the United Kingdom, and the United States," IMF Staff Papers, Palgrave Macmillan, vol. 44(2), pages 249-282, June.
  3. James G. MacKinnon, 1995. "Numerical Distribution Functions for Unit Root and Cointegration Tests," Working Papers 918, Queen's University, Department of Economics.
  4. Jaeger, Albert & Parkinson, Martin, 1994. "Some evidence on hysteresis in unemployment rates," European Economic Review, Elsevier, vol. 38(2), pages 329-342, February.
  5. Robert J. Gordon, 1996. "The Time-Varying NAIRU and its Implications for Economic Policy," NBER Working Papers 5735, National Bureau of Economic Research, Inc.
  6. Douglas O. Staiger & James H. Stock & Mark W. Watson, 1997. "How Precise Are Estimates of the Natural Rate of Unemployment?," NBER Chapters, in: Reducing Inflation: Motivation and Strategy, pages 195-246 National Bureau of Economic Research, Inc.
  7. Douglas Laxton & Guy Meredith & David Rose, 1995. "Asymmetric Effects of Economic Activity on Inflation: Evidence and Policy Implications," IMF Staff Papers, Palgrave Macmillan, vol. 42(2), pages 344-374, June.
  8. Peter Clark & Douglas Laxton & David Rose, 1996. "Asymmetry in the U.S. Output-Inflation Nexus," IMF Staff Papers, Palgrave Macmillan, vol. 43(1), pages 216-251, March.
  9. Ball, Laurence & Mankiw, N Gregory, 1995. "Relative-Price Changes as Aggregate Supply Shocks," The Quarterly Journal of Economics, MIT Press, vol. 110(1), pages 161-93, February.
  10. Ball, L. & Mankiw, N.G., 1992. "Asymmetric Price Adjustment and Economic Fluctuations," Harvard Institute of Economic Research Working Papers 1602, Harvard - Institute of Economic Research.
  11. George A. Akerlof & William R. Dickens & George L. Perry, 1996. "The Macroeconomics of Low Inflation," Brookings Papers on Economic Activity, Economic Studies Program, The Brookings Institution, vol. 27(1), pages 1-76.
  12. Olivier Blanchard & Lawrence F. Katz, 1996. "What We Know and Do Not Know About the Natural Rate of Unemployment," NBER Working Papers 5822, National Bureau of Economic Research, Inc.
  13. Douglas Laxton & Guy Meredith & David Rose, 1994. "Asymmetric Effects of Economic Activityon Inflation," IMF Working Papers 94/139, International Monetary Fund.
  14. Dupasquier, Chantal & Ricketts, Nicholas, 1998. "Non-Linearities in the Output-Inflation Relationship: Some Empirical Results for Canada," Working Papers 98-14, Bank of Canada.
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Cited by:
  1. Luis Fernando melo V. & Martha Misas A., . "Modelos Estructurales de Inflación en Colombia: Estimación a traves de Minimos Cuadrados Flexibles," Borradores de Economia 282, Banco de la Republica de Colombia.

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