Modelling inflation in South Africa: A multivariate cointegration analysis
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2005
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South African Journal of Economics
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Wiley
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University of Cape Town
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Abstract
We employ an expectations augmented Phillips curve framework to investigate the link between inflation, unit labour costs, the output gap, the real exchange rate and inflation expectations. Using multivariate cointegration techniques, we find evidence consistent with mark-up behaviour of output prices over unit labour costs. Most importantly, we find that the mark-up in the South African economy is much higher than in the U.S. For South Africa we find a markup of about 30 per cent: three times as high as the 10 per cent markup found for the U.S. Keywords: imperfect competitions, wage-setting, price-setting, inflation, markup, cointegration. JEL Classification: E31, E37, E50
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Reference:
Fedderke, J. W., & Schaling, E. (2005). Modelling inflation in South Africa: a multivariate cointegration analysis. South African Journal of Economics, 73(1), 79-92.