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The New Keynesian Phillips Curve for a Small Open Economy

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The New Keynesian Phillips Curve (NKPC) has become the benchmark model for understanding inflation in modern monetary economics. One reason for the popularity is the microfoundation of the model, which decomposes agents' behaviour into price adjustments and deviations of the price level from its target. The empirical relevance of the NKPC is, however, a matter of debate as recent studies reveal that some supportive evidence depends crucially on the econometric methods applied. We show how to evaluate the features of the model using cointegration techniques and tests based on both single-behavioural equations and cointegrated VAR models. Our results indicate that the forward-looking part of the NKPC is most likely at odds with Norwegian data. By contrast, we establish a well-specified dynamic model interpreted as a standard backward-looking mark-up price equation. We also demonstrate that the dynamic mark-up model forecasts well post-sample and during a major change in the monetary policy regime, which certainly is strong evidence in favour of this model. Consequently, we conclude that taking account of forward-looking behaviour when modelling consumer price inflation in Norway seems unnecessary to arrive at a well-specified model by econometric criteria.

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  • Pål Boug & Ådne Cappelen & Anders Rygh Swensen, 2006. "The New Keynesian Phillips Curve for a Small Open Economy," Discussion Papers 460, Statistics Norway, Research Department.
  • Handle: RePEc:ssb:dispap:460
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    16. Mavroeidis, Sophocles, 2005. "Identification Issues in Forward-Looking Models Estimated by GMM, with an Application to the Phillips Curve," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 37(3), pages 421-448, June.
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    Cited by:

    1. Temitope Leshoro & Umakrishnan Kollamparambil, 2016. "Inflation Or Output Targeting? Monetary Policy Appropriateness In South Africa," PSL Quarterly Review, Economia civile, vol. 69(276), pages 77-104.
    2. Nicola Viegi & Vincent Dadam, 2020. "Estimating a New Keynesian Wage Phillips Curve," Working Papers 11000, South African Reserve Bank.
    3. Vincent Dadam and Nicola Viegi, 2015. "Labour Market and Monetary Policy in South Africa," Working Papers 551, Economic Research Southern Africa.
    4. Roger Bjørnstad & Ragnar Nymoen, 2006. "Will it float? The New Keynesian Phillips curve tested on OECD panel data," Discussion Papers 463, Statistics Norway, Research Department.
    5. Bjørnstad, Roger & Kalstad, Kjartan Øren, 2010. "Increased price markup from union coordination: OECD panel evidence," Economics - The Open-Access, Open-Assessment E-Journal (2007-2020), Kiel Institute for the World Economy (IfW), vol. 4, pages 1-37.
    6. Boug, Pål & Cappelen, Adne & Swensen, Anders Rygh, 2010. "The new Keynesian Phillips curve revisited," Journal of Economic Dynamics and Control, Elsevier, vol. 34(5), pages 858-874, May.
    7. Janine Aron & John Muellbauer, 2013. "New Methods for Forecasting Inflation, Applied to the US," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 75(5), pages 637-661, October.
    8. Aron, Janine & Muellbauer, John & Sebudde, Rachel, 2015. "Inflation forecasting models for Uganda: is mobile money relevant?," CEPR Discussion Papers 10739, C.E.P.R. Discussion Papers.
    9. Luca Fanelli, 2008. "Testing the New Keynesian Phillips Curve Through Vector Autoregressive Models: Results from the Euro Area," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 70(1), pages 53-66, February.

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    More about this item

    Keywords

    The New Keynesian Phillips Curve; mark-up pricing; single-equation estimation methods; encompassing tests; cointegrated vector autoregressive models and equilibrium correction models.;
    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
    • F31 - International Economics - - International Finance - - - Foreign Exchange

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