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Author(s): Okosu Napoleon David.

Volume/Issue: Volume 4 , Issue 3 (2021)

Abstract:

The study interrogates the impact of exchange rate on the economic growth of Nigeria from 1981 to 2020 using quarterly time-series data from the Central Bank of Nigeria and the World Bank National Account. The dependent variable in the model was Real Gross Domestic Product (RGDP), and the independent variables were Exchange Rate (EXCHR), inflation (INFL), Interest Rate (INTR), Foreign Direct Investment (FDI), Broad Money Supply (M2) and Current Account Balance of Payment (CAB). The methodology employed was the Auto-Regressive Distributed Lag (ARDL) model which incorporates the Cointegration Bond test and Error-Correction Mechanism. The finding indicates that in the short run, EXCHR, CAB, M2 and FDI, had a positive impact on economic growth. The impact of EXCHR and CAB were significant on growth while that of M2 and FDI were insignificant to growth. However, INTR and INFL had a negative impact on economic growth with both variables being statistically significant. The bound test showed that there was a long-run relationship among the study variables, and the results from the long run reveal that the exchange rate has a positive and significant impact on economic growth. Inflation, Interest rate, FDI, Current Account Balance of Payment (CAB) and Broad Money Supply all have a positive and significant impact on economic growth. Based on the findings the study recommended that monetary authority should strictly monitor the operations of banks and other forex dealers with a view of ensuring unethical practices are adequately sanctioned to serve as a deterrent to others.

Keywords:

Econometrics Analysis, Exchange Rate, Economic Growth, Real Gross Domestic Product, Nigeria

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