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A new Keynesian triangle Phillips curve

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  • Malikane, Christopher

Abstract

We propose a solution to address the observed negative sign on the marginal cost variable in new Keynesian Phillips curve estimations. Our solution is based on an elaborate specification of the cost function faced by firms and the formulation of a reduced-form production function which is characterised by non-linear input–output relations. The resultant Phillips curve features the standard hybrid expectational term, labour share, output gap, speed-limit effects and supply shock variables. In general, GMM estimations of the model for developed and emerging markets yield a positive and significant coefficient on the labour share and the output gap. We conclude that supply shock variables are essential to the empirical validity of the cost-based Phillips curve.

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  • Malikane, Christopher, 2014. "A new Keynesian triangle Phillips curve," Economic Modelling, Elsevier, vol. 43(C), pages 247-255.
    • Handle: RePEc:eee:ecmode:v:43:y:2014:i:c:p:247-255
    DOI: 10.1016/j.econmod.2014.08.010
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    Cited by:

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    2. 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.
    3. Szafranek, Karol, 2017. "Flattening of the New Keynesian Phillips curve: Evidence for an emerging, small open economy," Economic Modelling, Elsevier, vol. 63(C), pages 334-348.
    4. Capazario, Michele, 2022. "Developing an Income-Distribution- Sensitive Taylor Rule: An Application to South Africa," MPRA Paper 112740, University Library of Munich, Germany.
    5. Rinke, Saskia & Busch, Marie & Leschinski, Christian, 2017. "Long Memory, Breaks, and Trends: On the Sources of Persistence in Inflation Rates," Hannover Economic Papers (HEP) dp-584, Leibniz Universität Hannover, Wirtschaftswissenschaftliche Fakultät.
    6. Lasha Arevadze & Tamta Sopromadze & Giorgi Tsutskiridze & Shalva Mkhatrishvili, 2020. "Identifying the Phillips Curve in Georgia," NBG Working Papers 01/2020, National Bank of Georgia.
    7. Phiri, Andrew, 2016. "Changes in inflation persistence prior and subsequent to the subprime crisis: What are the implications for South Africa?," MPRA Paper 70645, University Library of Munich, Germany.
    8. Burhan Biçer & Almila Burgac Cil, 2023. "Symmetric and Asymmetric Dynamics of Output Gap and Inflation Relation for Turkish Economy," Prague Economic Papers, Prague University of Economics and Business, vol. 2023(5), pages 520-549.
    9. Lasha Arevadze & Tamta Sopromadze & Giorgi Tsutskiridze & Shalva Mkhatrishvili, 2020. "Identifying the Phillips Curve in Georgia," NBG Working Papers 01/2020, National Bank of Georgia.
    10. Granville, Brigitte & Zeng, Ning, 2019. "Time variation in inflation persistence: New evidence from modelling US inflation," Economic Modelling, Elsevier, vol. 81(C), pages 30-39.
    11. Kalim Hyder & Stephen G. Hall, 2020. "Estimates of the New Keynesian Phillips Curve for Pakistan," Empirical Economics, Springer, vol. 59(2), pages 871-886, August.
    12. Alovokpinhou, Sedjro Aaron & Malikane, Christopher, 2024. "The effect of output and the real exchange rate on equity price dynamics," The North American Journal of Economics and Finance, Elsevier, vol. 72(C).
    13. Xu, Qifa & Niu, Xufeng & Jiang, Cuixia & Huang, Xue, 2015. "The Phillips curve in the US: A nonlinear quantile regression approach," Economic Modelling, Elsevier, vol. 49(C), pages 186-197.
    14. Choi, Yoonseok, 2021. "Inflation dynamics, the role of inflation at different horizons and inflation uncertainty," International Review of Economics & Finance, Elsevier, vol. 71(C), pages 649-662.
    15. Lee, Dong Jin & Yoon, Jai Hyung, 2016. "The New Keynesian Phillips Curve in multiple quantiles and the asymmetry of monetary policy," Economic Modelling, Elsevier, vol. 55(C), pages 102-114.
    16. Xu, Yingying & Chang, Hsu-Ling & Lobonţ, Oana-Ramona & Su, Chi-Wei, 2016. "Modeling heterogeneous inflation expectations: empirical evidence from demographic data?," Economic Modelling, Elsevier, vol. 57(C), pages 153-163.
    17. Malikane Christopher, 2023. "A Traditional Nominal Wage Phillips Curve: Theory and Evidence," The Economic Record, The Economic Society of Australia, vol. 99(324), pages 108-121, March.
    18. Rasaki, Mutiu Gbade & Malikane, Christopher, 2015. "Macroeconomic shocks and fluctuations in African economies," Economic Systems, Elsevier, vol. 39(4), pages 675-696.

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    More about this item

    Keywords

    New Keynesian Phillips curve; Marginal cost; Supply shocks;
    All these keywords.

    JEL classification:

    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • B22 - Schools of Economic Thought and Methodology - - History of Economic Thought since 1925 - - - Macroeconomics

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