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Examining asymmetric effects in the South African Philips curve: Evidence from logistic smooth transition regression (LSTR) models

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  • Phiri, Andrew

Abstract

This study contributes to the foregoing literature by investigating asymmetric behaviour within the South African short-run Phillips curve for three versions of the Phillips curve specification namely; the New Classical Phillips curve, the New Keynesian Phillips curve and the Hybrid New Keynesian Phillips curve. To this end, we employ a logistic smooth transition regression (LSTR) econometric model to each of the aforementioned versions of the Phillips curve specifications for quarterly data spanning from 1970:01 to 2014:01. Our empirical results indicate that both the marginal-cost based as well as the output gap based versions of the Hybrid New Keynesian Philips curve provide a good fit for South African data. Therefore, our empirical results indicate that monetary policy in South Africa has an influence on the demand side of the economy through inflation inertia and inflation expectations whilst appearing to exhibit no significant effects on the supply side of the economy.

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  • Phiri, Andrew, 2015. "Examining asymmetric effects in the South African Philips curve: Evidence from logistic smooth transition regression (LSTR) models," MPRA Paper 64487, University Library of Munich, Germany.
    • Handle: RePEc:pra:mprapa:64487
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    Cited by:

    1. Johannes Fedderke & Yang Liu, 2018. "Inflation in South Africa: An Assessment of Alternative Inflation Models," South African Journal of Economics, Economic Society of South Africa, vol. 86(2), pages 197-230, June.

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    More about this item

    Keywords

    New Classical Phillips Curve; New Keynesian Phillips curve; Hybrid New Keynesian Phillips curve; inflation; output gap; marginal costs; smooth transition regression; monetary policy; South Africa; developing country;
    All these keywords.

    JEL classification:

    • C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes
    • E31 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Price Level; Inflation; Deflation
    • E37 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Forecasting and Simulation: Models and Applications

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