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South Africa’s monetary policy independence: evidence from a Global New-Keynesian DSGE model

Annari De Waal, Rangan Gupta and Charl Jooste

Applied Economics Letters, 2018, vol. 25, issue 12, 840-846

Abstract: We study the response of South African monetary policy decisions to foreign monetary policy shocks. We estimate the extent of foreign monetary policy pass through by augmenting standard Taylor rules and comparing the results within the context of a Global New-Keynesian Dynamic Stochastic General Equilibrium (DSGE) model. The general equilibrium model captures important spill-over effects that would otherwise have been ignored in a single equation set-up. The results show that the relationship between foreign monetary policy shocks and South African interest rates is complicated – South Africa does not import foreign monetary policy directly, but is still affected. Except for the US, an increase in foreign interest rates leads to a decrease in South African interest rates – highlighting the complex channels that the monetary policy authority has to monitor outside of its economy.

Date: 2018
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DOI: 10.1080/13504851.2017.1371838

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Handle: RePEc:taf:apeclt:v:25:y:2018:i:12:p:840-846