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The New Keynesian Phillips Curve revisited

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Recently, several authors have questioned the evidence claimed by Galí and Gertler (1999) and Galí, Gertler and López-Salido (2001) that a hybrid version of the New Keynesian Phillips Curve approximates European and US inflation dynamics quite well. We re-examine the evidence using likelihood-based methods. Although including lagged inflation enhances the empirical fit, the improvement is not large enough to yield a model that passes a likelihood ratio test. We also show that the likelihood surface is rather flat, especially in the European case, indicating that the model may be weakly identified as criticised by others using alternative methods.

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  • Pål Boug & Ådne Cappelen & Anders Rygh Swensen, 2007. "The New Keynesian Phillips Curve revisited," Discussion Papers 500, Statistics Norway, Research Department.
  • Handle: RePEc:ssb:dispap:500
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    1. Rao, B. Bhaskara & Paradiso, Antonio, 2011. "Estimates of the US Phillips curve with the general to specific method," MPRA Paper 28411, University Library of Munich, Germany.
    2. Sophocles Mavroeidis & Mikkel Plagborg-Møller & James H. Stock, 2014. "Empirical Evidence on Inflation Expectations in the New Keynesian Phillips Curve," Journal of Economic Literature, American Economic Association, vol. 52(1), pages 124-188, March.
    3. Arye L. Hillman, 2008. "Globalization And Social Justice," The Singapore Economic Review (SER), World Scientific Publishing Co. Pte. Ltd., vol. 53(02), pages 173-189.
    4. Nymoen, Ragnar & Swensen, Anders Rygh & Tveter, Eivind, 2012. "Interpreting the evidence for New Keynesian models of inflation dynamics," Journal of Macroeconomics, Elsevier, vol. 34(2), pages 253-263.
    5. Swensen, Anders Rygh, 2014. "Some exact and inexact linear rational expectation models in vector autoregressive models," Economics Letters, Elsevier, vol. 123(2), pages 216-219.
    6. Giray Gozgor, 2013. "The New Keynesian Phillips Curve in an Inflation Targeting Country: The Case of Turkey," International Journal of Business and Economic Sciences Applied Research (IJBESAR), International Hellenic University (IHU), Kavala Campus, Greece (formerly Eastern Macedonia and Thrace Institute of Technology - EMaTTech), vol. 6(1), pages 7-18, April.
    7. Anders Rygh Swensen & Pål Boug & Ådne Cappelen & Eilev S. Jansen, 2019. "The consumption Euler equation or the Keynesian consumption function?," Discussion Papers 904, Statistics Norway, Research Department.
    8. Andreas Benedictow & Pål Boug, 2013. "Trade liberalisation and exchange rate pass-through: the case of textiles and wearing apparels," Empirical Economics, Springer, vol. 45(2), pages 757-788, October.
    9. Pål Boug & Ådne Cappelen & Eilev S. Jansen & Anders Rygh Swensen, 2021. "The Consumption Euler Equation or the Keynesian Consumption Function?," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 83(1), pages 252-272, February.
    10. Søren Johansen & Anders Ryghn Swensen, 2021. "Adjustment coefficients and exact rational expectations in cointegrated vector autoregressive models," CREATES Research Papers 2021-10, Department of Economics and Business Economics, Aarhus University.
    11. Sandeep Mazumder, 2012. "European Inflation and the New Keynesian Phillips Curve," Southern Economic Journal, John Wiley & Sons, vol. 79(2), pages 322-349, October.
    12. Malikane, Christopher & Mokoka, Tshepo, 2012. "Monetary policy credibility: A Phillips curve view," The Quarterly Review of Economics and Finance, Elsevier, vol. 52(3), pages 266-271.
    13. Tiwari, Aviral Kumar & Oros, Cornel & Albulescu, Claudiu Tiberiu, 2014. "Revisiting the inflation–output gap relationship for France using a wavelet transform approach," Economic Modelling, Elsevier, vol. 37(C), pages 464-475.
    14. Fanelli, Luca, 2008. "Evaluating New Keynesian Phillips Curve under VAR-Based Learning," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy (IfW Kiel), vol. 2, pages 1-24.
    15. Krogh, Tord S., 2015. "Macro frictions and theoretical identification of the New Keynesian Phillips curve," Journal of Macroeconomics, Elsevier, vol. 43(C), pages 191-204.

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    Keywords

    European and US inflation; the New Keynesian Phillips Curve; vector autoregressive models and likelihood ratio tests.;
    All these keywords.

    JEL classification:

    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • C52 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Evaluation, Validation, and Selection
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation

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