Interaction between macroeconomic fundamentals and energy prices: evidence from South Africa

dc.contributor.authorDiale, Tumelo K
dc.date.accessioned2017-09-12T13:25:13Z
dc.date.available2017-09-12T13:25:13Z
dc.date.issued2017
dc.descriptionThis write-up is submitted in partial fulfilment of the Master of Management Degree in Finance and Investments Degree.en_ZA
dc.description.abstractGrowth in commodity exporting economies, such as South Africa, is highly dependent on the revenue generated from exports. It is thus evident that as commodity prices fluctuate, income and the balance of payments will be accordingly impacted. This is further exacerbated by strong dependence on the imports of certain commodities. Oil is one such commodity on whose imports South Africa is highly dependent. Although natural gas is also imported, it is in lower quantities and is as such expected to impact South Africa to a lower extent. Coal, on the other hand, is among the main commodity exports and was expected to have an impact on (and be impacted by) South African macroeconomic fundamentals. In this study, we use a VECM and MGARCH model to test the interaction between South African macroeconomic variables and these three commodities. Our VECM findings indicate that oil and exchange rates are inflationary. This implies that an increase in oil prices and/or exchange rates (indicating a depreciation of the Rand against the U.S. Dollar) results in an increase in inflation. Inflation, on the other hand, propagates higher coal prices and to a lesser extent, higher interest rates. We account the latter to South Africa’s inflation targeting regime and the former to demand and supply dynamics which occur at RBCT as production costs increase (short-term coal export contracts and spot market sales). Natural gas is found to have weak impacts on interest rates and exchange rates. Our MGARCH model shows that only the innovations in natural gas and oil prices spillover into interest rates and exchange rate. There is no direct spillover captured. However, there is strong direct spillover from oil to inflation. Lastly, interest rates are found to have a strong direct volatility spillover to both oil and natural gas. We attribute this to the exchange rate impact that interest rates have and is supported by the exchange rate impact on commodity price volatility. We conclude that an in-depth understanding of triggers is pertinent for monetary and fiscal policy decisions in South Africa. Although the South African economy is relatively diversified compared to other developing countries, commodity price fluctuations do have a significant impact on economic performance.en_ZA
dc.description.librarianMT2017en_ZA
dc.format.extentOnline resource (vii, 76 leaves)
dc.identifier.citationDiale, Tumelo K (2017) Interaction between macroeconomic fundamentals and energy prices: evidence from South Africa, University of the Witwatersrand, Johannesburg, <http://hdl.handle.net/10539/23079>
dc.identifier.urihttp://hdl.handle.net/10539/23079
dc.language.isoenen_ZA
dc.subject.lcshCommodity futures--South Africa
dc.subject.lcshStock price forecasting--Mathematical models
dc.subject.lcshEconometrics
dc.titleInteraction between macroeconomic fundamentals and energy prices: evidence from South Africaen_ZA
dc.typeThesisen_ZA

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