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Assessing Exchange Rate Volatility and Economic Growth in Nigeria: A Garch Model Approach

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  • Okosu, Napoleon David

    (Department of Economics, Veritas University, Abuja FCT- Nigeria)

Abstract

This study has examined the impact of exchange rate volatility on economic growth in Nigeria from the year 1981 to the year 2020. The study adopted secondary data (i.e. time series) obtained from World Bank National Account data and Central Bank of Nigeria Annual Statistical Bulletins, subjecting them to statistical analysis for relevant inferences to be made. Five variables were used in the study which were Growth rate of Gross Domestic Product (GRGDP), Exchange Rate Volatility (EXRV), Balance of Trade (BOT), Oil Price (OILP) and Inflation (INF) Rate. The variables were subjected to unit root test and they were stationary at different order of I(0) and I(1). Since the Variables were not all stationary at level but a mixed series, the ARDL bound test of cointegration was used to test for cointegration among them. Using the bound test, the variables were found to be cointegrated at 1% level of significance. The ARDL result indicated that; Exchange rate volatility has a significant impact on economic growth, with the impact being negative. In addition, other economic variables such as inflation has a negative and significant impact on economic growth while oil price have a positive and significant impact on economic growth. On the other hand, BOT has a positive effect on growth but the impact was significant at the 10 percent level. From the findings the study recommended that foreign exchange market should be well monitored with a view to ensuring that only ventures that would engender value added production in the real sector and export-oriented businesses should have more access. This will help to increase the value of the naira against major world currencies.

Suggested Citation

  • Okosu, Napoleon David, 2022. "Assessing Exchange Rate Volatility and Economic Growth in Nigeria: A Garch Model Approach," International Journal of Research and Innovation in Social Science, International Journal of Research and Innovation in Social Science (IJRISS), vol. 6(7), pages 152-163, July.
    • Handle: RePEc:bcp:journl:v:6:y:2022:i:7:p:152-163
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    References listed on IDEAS

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    1. Lawrence Olisaemeka UFOEZE, 2018. "Effect Of Foreign Exchange Rate Fluctuations On Nigerian Economy," Annals of Spiru Haret University, Economic Series, Universitatea Spiru Haret, vol. 9(1), pages 105-122.
    2. Achouak Barguellil & Ousama Ben-Salha & Mourad Zmami, 2018. "Exchange Rate Volatility and Economic Growth," Journal of Economic Integration, Center for Economic Integration, Sejong University, vol. 33(2), pages 1302-1336.
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