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The New Keynesian Model and the Long-run Vertical Phillips Curve: Does it hold for Germany?

Author

Listed:
  • Ulrich Fritsche

    (Department for Economics and Politics, University of Hamburg, and DIW Berlin)

  • Jan Gottschalk

    (International Monetary Fund)

Abstract
New-Keynesian macroeconomic models typically assume that any long-run trade-off between inflation and unemployment is ruled out. While this appears to be a reasonable characterization of the US economy, it is less clear that the natural rate hypothesis necessarily holds in a European country like Germany where hysteretic effects may invalidate it. Inspired by the framework developed by Farmer (2000) and Beyer and Farmer (2002), we investigate the long-run relationships between the interest rate, unemployment and inflation in West Germany from the early 1960s up to 2004 using a multivariate co-integration analysis technique. The results point to a structural break in the late 1970s. In the later time period we find for west Germany data a strong negative correlation between the trend components of inflation and unemployment. We show that this finding contradicts the natural rate hypothesis, introduce a version of the New Keynesian model which allows for some hysteresis and compare the effectiveness of monetary policy in these two models. In general, a policy rule with an aggressive response to a rise in unemployment performs better in a model with hysteretic characteristics than in a model without.

Suggested Citation

  • Ulrich Fritsche & Jan Gottschalk, 2006. "The New Keynesian Model and the Long-run Vertical Phillips Curve: Does it hold for Germany?," Macroeconomics and Finance Series 200601, University of Hamburg, Department of Socioeconomics.
    • Handle: RePEc:hep:macppr:200601
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    References listed on IDEAS

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    Cited by:

    1. Liam Graham & Dennis J. Snower, 2008. "Hyperbolic Discounting and the Phillips Curve," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(2-3), pages 427-448, March.
    2. Liam Graham & Dennis J. Snower, 2008. "Hyperbolic Discounting and the Phillips Curve," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 40(2‐3), pages 427-448, March.
    3. Ahrens, Steffen & Snower, Dennis J., 2014. "Envy, guilt, and the Phillips curve," Journal of Economic Behavior & Organization, Elsevier, vol. 99(C), pages 69-84.
    4. Daniel Kienzler & Kai D. Schmid, 2014. "Hysteresis in Potential Output and Monetary Policy," Scottish Journal of Political Economy, Scottish Economic Society, vol. 61(4), pages 371-396, September.
    5. Kitov, Ivan, 2007. "Exact prediction of inflation and unemployment in Germany," MPRA Paper 5088, University Library of Munich, Germany.
    6. Mourougane, Annabelle, 2017. "Crisis, potential output and hysteresis," International Economics, Elsevier, vol. 149(C), pages 1-14.
    7. Kienzler, Daniel & Schmid, Kai Daniel, 2013. "Monetary policy and hysteresis in potential output," University of Tübingen Working Papers in Business and Economics 55, University of Tuebingen, Faculty of Economics and Social Sciences, School of Business and Economics.
    8. Ulrich Fritsche & Vladimir Kuzin, 2007. "Unit labor cost growth differentials in the Euro area, Germany, and the US: lessons from PANIC and cluster analysis," Macroeconomics and Finance Series 200703, University of Hamburg, Department of Socioeconomics.
    9. Jarmila Botev & Annabelle Mourougane, 2017. "Fiscal Consolidation: What Are the Breakeven Fiscal Multipliers?," CESifo Economic Studies, CESifo Group, vol. 63(3), pages 295-316.
    10. Sharif, Bushra & Qayyum, Abdul, 2018. "Estimating the Inflation-Output Gap Trade-Off with Triangle Model in Pakistan," MPRA Paper 91166, University Library of Munich, Germany.

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    More about this item

    Keywords

    Cointegration; Vector error Correction Model; Unemployment; Phillips Curve; Hysteresis;
    All these keywords.

    JEL classification:

    • B22 - Schools of Economic Thought and Methodology - - History of Economic Thought since 1925 - - - Macroeconomics
    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity

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