A Co-Integration Approach to Assess the Impact of Nigeria Monetary Policy on Economic Growth

This research examines the impact of Nigeria’s monetary policy on her economic growth by developing a model that is able to investigate how monetary policy of the government has affected economic growth through the adoption of multi-variable regression analysis. GDP representing economic growth which was used as the dependent variable against the explanatory variables which is Monetary Policy Variables: money supply, exchange rate, interest rate, and inflation rate. The time series data is the market-controlled period covering 1960-2020. The study determined the relationship between monetary policy instruments and GDP, and it also determined the adequacy of the model. The study adopted a co-integration approach and also conducted a unit root test. The study showed that monetary policy variables included in the model has combined significant impact on GDP in Nigeria. In addition, the core finding of this study showed that exchange rate and money supply have positive and statistically significant relationship with GDP in Nigeria. However, inflation rate has negative impact on GDP and a non-statistically significant relationship with GDP, interest rate has positive and statistically insignificant relationship with GDP. The results from the study proved that monetary policy have a significant relationship with GDP. In conclusion, based on the outcome of the Study. The study recommended among others that the regulatory authority (CBN) is advised to reduce interest rates and increase money supply such that both loans and funds will be easily accessed by manufacturing/industrial outlets to enhance manufacturing output in the Nigeria economy.