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2023
World Journal of Advanced Research and Reviews
The study employed multiple regression model to ascertain whether naira redesign has achieved its objectives in Nigeria. This study adopted a quantitative research design. Primary and secondary data were collected. The primary data was obtained through administration of self-developed questionnaire, while the secondary data was extracted from World Bank publications (data.worldbank.org) spanning from 1970 to 2022 based on data availability for the study variables and the purposive sampling technique was explored. The study employed inferential statistics (Multiple Regression analysis) for data analysis. The results were presented in tables and discussed according to the research objectives. The study revealed a significant linear relationship between GDP and monetary policy such as exchange rate, and interest rate while controlling for the inflation rate. Naira redesign has failed to achieve its objectives, such as curbing inflation, stopping terrorism financing, curbing inflation, ...
This study investigates the dynamic relationship between exchange rate fluctuations, inflation, and unemployment in Nigeria from 1986 to 2022. The study used annual data obtained from the Central Bank of Nigeria data bank and the World Bank Development Indicator. The analysis employed Nonlinear ARDL models and Structural Vector Auto-Regression (SVAR) techniques with E-views version 10. Comprehensive diagnostic tests confirmed the adequacy of the chosen model. The estimations from both SVAR and ARDL reveal significant effects of exchange rate fluctuations on unemployment in Nigeria. Furthermore, our results demonstrate that inflation exerts a substantial influence on unemployment in Nigeria, both in the short run and long run. Additionally, the SVAR framework highlights a significant impact of exchange rate movements on inflation in Nigeria. The findings collectively support the applicability of the Phillips Curve hypothesis in the Nigerian context. The findings have implications for...
AFIT Journal of Marketing Research, 2023
This study aims to investigate the impact of exchange rate on the manufacturing sector output in Nigeria. The manufacturing industry plays a crucial role in the economy by boosting productivity, creating employment opportunities, and generating revenue. The study notes that compared to Asian economies like China and Japan, the manufacturing sector in African countries, including Nigeria, has not grown to its potential due to macroeconomic neglect and low productivity. The exchange rate is an essential macroeconomic variable that affects the performance of the manufacturing sector, especially in a flexible exchange rate system like Nigeria's. The research design for this investigation is an ex-post facto approach, and the data collected is secondary, obtained from the Central Bank of Nigeria (CBN) Statistical Bulletin of 2021. The study covers 41 observations from 1981 to 2021. The dependent variable used in the study is manufacturing sector output, proxied by GDPmfg, while the independent variables used are exchange rate (Fx), inflation rate (Inf), and real interest rate (RInt). Linear regression analysis is used to determine the relationship between these variables. The results reveal that the coefficient of FX is very small, with little effect on the manufacturing sector's GDP. The t-statistic for FX is small, and the p-value is large, indicating that the coefficient for FX is not statistically significant. Therefore, the null hypothesis is accepted, indicating that exchange rate have no significant effect on the manufacturing sector output in Nigeria. The study concludes that other variables such as inflation rate and real interest rate should be given more attention to boost the manufacturing sector's performance in Nigeria.
The objective of this research study is to capture the relationship between unemployment, inflation, the exchange rate and economic growth in Pakistan. The study used unemployment, inflation, exchange rate and gross domestic product (GDP) variables. However, time series data for the period from 1990 to 2018 were employed through Augmented Dicky Fuller, and unit roots tests were applied to check the stationarity of the data. Autoregressive distributed lag (ARDL) and the error correction model (ECM) have been employed to investigate the long-run and short-run parameters between unemployment, inflation, exchange rate and economic growth. The ARDL model result shows that there is a long-run relationship between the variables. Furthermore, the difference test shows that there is no problem of heteroscedasticity, misspecification of the model or serial correlation. The autoregressive distributed lag (ARDL) model indicates a significant positive relationship between inflation, the exchange rate and economic growth and a significant negative relationship with unemployment in the long run at the 5% level. Furthermore, the results depict that the error correction model (ECM) coefficient is-1.03 and significant, suggesting a 103% adjustment in a year.
This study investigated the effect of insufficient currency in circulation on the rate of inflation and unemployment in Nigeria: The Buhari's Administration Experience; using annual timeseries data ranging from 1985 to 2020. In achieving this task, the study was disaggregated into two models: model 1 utilizing Vector Error Correction Model to analyse the relationship between fiscal variables (government total expenditure, government tax revenue, and export) and unemployment rate. It was revealed from the unit root of Augmented Dickey-Fuller test that none of the (fiscal) variables was stationary at level, but they were all stationary after 1 st Differencing. This made it necessary for the study to apply Johansen co-integration test which the estimated result indicated 1 co-integration equation as evidenced by Trace statistic. This also, necessitated the application of Vector Error Correction Model (VECM), and it was observed that it took 61.71% annual speed of adjustment towards long-run equilibrium from short-run disequilibrium for unemployment rate to return to equilibrium after a shock to fiscal variables. The results further explained that government total expenditure, and government tax revenue, had negative and insignificant impact on unemployment rate respectively, thereby reducing unemployment rate. Similarly, the estimated result indicated that export had positive impact on unemployment thereby increasing unemployment rate within the period under study. Similarly, in analysing monetary variables (money supply, exchange rate and prime lending rate) in model 2: Phillip-Peron unit root test was conducted and it was confirmed that the variables were of mixed order of integration which necessitated the employment of ARDL technique. The ARDL bounds testing result revealed that a long-run relationship existed between monetary variables, and inflation. It was found, in the long-run, that money supply caused inflation rate to rise. More so, the result further revealed that present level of exchange rate decelerated inflation rate in both long-run and short-run. While, it was further observed that the one-year lag and two-year lag of exchange rate increased rate of inflation in both logrun and short-run respectively. The estimated result further revealed that the present level of prime lending rate minimised the rate of inflation in the long-run and short-run. Whereas, similar results were further confirmed in the one-year lag and two-year lag that prime lending rate reduced inflation rate in both log-run and short-run. As a result of these findings, with respect to model 1; the study recommended that government should maintain the level of its expenditure and tax revenue as this reduced unemployment rate, and it should lower trade costs so that demand for labour would increase in the export industry, this would make aggregate unemployment rate to reduce. With respect to model 2; it recommended the adoption of contractionary monetary policy that would minimise the amount of money supply that caused long-run effect on inflation in the system. Furthermore, there should be proper maintenance of fixed exchange rate policy that will make exchange rate regime overcome non-military forces of demand and supply in exchange rate market, this will help maintain low rate of inflation.
2002
A standard approach in presenting the results of a statistical analysis of regression data in scientific journals is to focus on the question of statistical significance of regression coefficients. The reporting of p-values in conjunction with a description of the various positive and negative associations between the response and the factors in question ensues. The real question of interest beyond these initial assessments ought to be, “how well does the treatment work?” The point of view taken here will be that this standard presentation, while important, constitutes only a first order approximation to a complete analysis, and that the bottom line ought to involve the quantification of regression effects on the scale of observable quantities. This will mainly be accomplished graphically. It is also emphasized that diagnostic assessment of the compatibility of the data to the model should be based on similar considerations.
MANAGEMENT AND ECONOMICS REVIEW
It is evident that in Nigeria inflation and unemployment are growing simultaneously and pose a serious question in terms of the validity of the Phillips curve in Nigeria. This study investigates the relationships that exist with respect to inflation and unemployment in Nigeria using data from the CBN statistical bulletin (2020) from 1981 to 2020. The ARDL model (autoregressive distributed lag) was employed in the study. The study revealed an inverse and significant link between inflation and unemployment only in the short run, while a positive, as well as significant relationship, was found that connects inflation and output in Nigeria also in the short run. We, therefore, recommend the need for government to always consider unemployment in formulating policies aimed at achieving price stability. We also recommend that the government adopts labour-intensive techniques of production to reduce costs and, by extension, reduce the prices of goods and services.
International Journal of Economics and Finance, 2014
The research paper examines the level, nature of association as well as the impact of exchange rate fluctuations on inflationary pressure and other selected macroeconomic indices in Nigeria between 1979 and 2010. Ordinary least squares method in the form of multiple regressions was applied to evaluate their association and impact and Granger Causality technique to evaluate their causality. Co integration procedure was also applied to assess whether their relationships will stand the test of time. A Stationary test was conducted using the Augmented Dickey-Fuller (ADF) tests. The result reveals that exchange rate and inflationary rate are positively related, though not to a very significant extent. This signifies that fluctuations in exchange rate can as well result in a proportionate response in the prevailing inflationary rate. The study reveals that there is no causality in any direction between exchange rate and inflationary rate. Unidirectional causality runs from interest rate to inflation. Interest rate and real GDP have no significant impact on exchange rate in Nigeria as revealed by the study. However, they both have negative relationship with exchange rate. Consequently, the paper recommends that monetary and fiscal policy setters should fashion out strategies to efficiently regulate and effectively manipulate the highly volatile macroeconomic indices in Nigeria in order to grow the economy faster and sustain it, even at the long run.
Path of Science , 2021
The attainment of full employment and price stability are one of the most widely used measures of economic health. Inflation and unemployment are an integral part of an economy; however, there is a need to balance both such that neither inflation nor unemployment is too high. The persistent rise in inflation and unemployment rates has called for the need to investigate the relevance of Philip's postulation of a trade-off between inflation and unemployment in Nigeria. In addition to the interdependency or independence of these variables, there is also a need to access factors that may contribute to the increasing inflation and unemployment rates in Nigeria. These will enable policymakers to formulate policies that affect inflation and unemployment and pay attention to other variables that may directly or indirectly affect inflation and unemployment. Therefore, the study aims to test the validity of Philip's curve hypotheses and examine possible causes of inflation and unemployment in Nigeria. The study used secondary data sourced from the Central Bank of Nigeria and the World Bank. Vector Autoregressive and Error Correction methods were adopted for the analysis. The study revealed that there is no significant relationship between inflation and unemployment in Nigeria. Inefficiencies from the government's side and insufficient domestic investment were observed to be the possible causes of unemployment, whereas; exchange rate depreciation and money supply are blamed for the rising price levels in Nigeria. The study concludes that the problems of inflation and unemployment arise from inefficiencies in both monetary and fiscal policies. Efficient use of fiscal and monetary policies was recommended to raise employment and output in all sectors to meet the steaming local demand and export. Also, the full implementation of economic diversification policies is recommended. Furthermore, the study recommends increasing government spending on social infrastructure and incentives to firms to promote investment in Nigeria. These will have an overall effect of increasing output, reducing unemployment and achieving non-inflationary growth in Nigeria.
Nigeria is a developing economy that has employed different policies in order to boost her economy and foreign exchange rate one of the macroeconomic variables is not left out. Therefore this study extracted data from the National Bureau of Statistics ranging from 1970 to 2019 employing the ADF unit root test, the ARDL and the Bound test to know the impact of the exchange reforms on Nigeria's economic growth in the short run with help of E-views software. The findings revealed that inflation and exchange rate has being on the increase in the past 49 years, however inflation was statistically insignificant although exchange rate was statistically significant. The study also found out that exchange rate reforms has impacted positively on Nigeria's economic growth. The study therefore recommended that: Government should put relevant economic policies in place to curb the rise in inflation; The reforms employed by government thus far have improved the economy, therefore government should monitor the policies already put in place in order to continue to boost the economy; and The rising inflation should be tame by government in order to prevent it from affecting exchange rate negatively.
2017
This paper seeks to re-examine the effect of exchange rate regimes on inflation in Nigeria. This is pertinent because exchange rate has remained devastated in Nigeria while the problem of high inflation lingers. Contrary to most studies on Nigeria, we tested the stability of our inflation model. We used the Autoregressive Distributed Lag (ARDL) approach for our analysis. The result shows that the past one year value of exchange rate has a negative and significant impact on the current inflation rate. Inflation rate increased more during the fixed exchange regime compared to the floating exchange rate regime. During the floating exchange rate regime, as the exchange rate increases, the inflation rate decreases and vice versa. The implication is that the floating exchange rate regime policy is preferable for combating increases in inflation rate compared to the fixed exchange rate. In addition, the lags of money supply have a direct relationship with inflation rate. The past two years...
International Journal of Family Business and Management
One of the serious challenges to Nigeria today is Unemployment. There have been many studies to investigate variables which affect unemployment in macroeconomics. Considering exchange rate volatility in recent years which has affected most of major variables of Nigerian economy, this paper investigated the relationship between Exchange rate and Unemployment in Nigeria using annual data of Thirty-one Years (1986 to 2017). In order to achieve the objective of the paper, Autoregressive Model with distributed Lag was used to find out the relationship between Real Exchange rate and Unemployment in the country. The Variables used are Unemployment rate, Real Exchange rate, Real Gross Domestic Product (RGDP), Export Value index; and Import Value index. It was found that Real Exchange Rate has positive effect on unemployment during the period. With high exchange rate, unemployment rate increases. The paper advises for efforts to increase supply of foreign exchange earnings in the country so ...
International Journal of Social Sciences Perspectives, 2019
This study explores the dynamic interaction between exchange rate, inflation and economic output in Nigeria between 1999 and 2017 using Vector Error Correction (VEC) granger causality test and Vector Error Correction Model (VECM). Results establish that there is unidirectional causality running from economic output (GDP) to exchange rate in Nigeria. The study further confirms that exchange rate significantly exerts a long run positive impact on economic performance in the country, while the impact of inflation on economic output in the long run is found to be negative. Furthermore, economic output exerts a negative impact on both inflation and exchange rate, but inflation positively influences exchange rate. Another evidence reveals that in the long run, exchange rate depreciation impacts positively on economic output, while inflation impacts negatively on output. The assertion that exchange rate depreciation leads to positive economic performance could be attributed to the positive long run effect of real sector development. Thus, the study suggests that policymakers should initiate measures that could aid financial and real sector development. Also, it is suggested that promoting the habit of consuming made in Nigeria goods, through awareness programmes and quality control measures could mitigate the inflationary effect of the external sector on Nigerian economy. Funding: This study received no specific financial support Competing Interests: The authors declare that they have no competing interests. Acknowledgement: We are very grateful for the comments of the anonymous reviewers, which have significantly improved the profoundness of analysis of the paper. We are particularly indebted to the editorial team of the journal for their professional assessment and constructive feedbacks in shaping the paper.
Journal of Economics and Sustainable Development, 2014
This study examined the effect of real Gross Domestic Product (GDP) on unemployment in Nigeria. Unemployment is a major problem in Nigeria, even with the recent growth rate of 7% the country is recording, unemployment is still on the increase. The study considers the period 1977 to 2011 to analyse the long run and shot run relationship between real gross domestic product and unemployment in Nigeria, with unemployment as a dependent variable. Besides the main variables for this study, other control variables particularly inflation was included in the model. The study has used Autoregressive Distributed Lag (ARDL) Model to test for ARDLbound co-integration test, the long run and the Error Correction Model (ECM). The co-integration bound test results showed that the variables are co-integrated at 5% level. The results revealed a positive relationship between unemployment and real GDP in Nigeria both in the short run and in the long run. The study concludes that real GDP growth causes unemployment in Nigeria and suggests that Nigeria as a country should reduce the over reliance on petroleum sector as a source of revenue and give more emphasis on other sectors, especially agricultural sector in order to provide more job opportunities to the Nigerian citizens. Also, the government should use the huge revenue it derives from the oil sector to develop other sectors like iron and steel sector, agriculture and so on. The government should also provide environment that will attract capital and investment, the government does not necessary create jobs but does aid the private sector in making job creation possible and imminent.
Journal of Economics and Development Studies, 2019
This paper empirically investigates the relationship between exchange rate and the Gross Domestic Product (GDP) in Nigeria from 1981 to 2017. The annual data was obtained from CBN statistical bulletin. Using the Auto-Regressive Distributed Lag (ARDL) co-integration procedure. The result indicates that GDP in Nigeria is not responsive to official exchange rate movement. A long run relationship was found to exist between GDP and official exchange rate, but not statistically significant. The Error Correction Mechanism (ECM) estimate was rightly signed but was found to have a short-run disequilibrium adjustment of less than 2% for correcting any deviation from long-run equilibrium. The models are found not to have serial correlation and also found to be stable meaning that the result is appropriate for policy consideration. It is therefore suggested that policy makers should not totally rely on exchange rate manipulation as an instrument to boost the economy, but should consider other economic variables to strengthen the GDP.
Global Journal of Management and Business Research
This paper investigates the causal relationship between exchange rate, balance of payment, external debt, external reserves, gross domestic product growth rate and inflation rate in Nigeria post Structural Adjustment Programme (SAP). Annual time series data 1987-2011 were used as the research sample period. The data were sourced from CBN Statistical Bulletin and Annual Reports of various years. We applied the ADF and PP unit root tests to check the stationarity of the variables. Gross domestic product growth rate and external reserve were stationary at both levels I (0) and I (1). The Johansen cointegration test, equation estimation and Granger causality tests were applied. Johansen cointegration result shows that there exists a long-run equilibrium relationship among the indicators. The Granger causality test between the dependent and independent variables shows a unidirectional causality from exchange rate to BOP, external reserves and gross domestic product growth rate. The independent variables indicate a unidirectional causality from • gross domestic product growth rate to external reserve. On the whole this paper has provided empirical evidence that there is a causal relationship between exchange rate and some macroeconomic indicators in Nigeria post SAP. These indicators however impact on the determination of exchange rate in Nigeria. Certain policy implications arise from this finding. It demonstrates the need for monetary authorities to learn from past exchange rate management and come up with a monetary policy framework that complimes the existing exchange rate policy and ensures stability.
Economics, 2015
Using Granger-causality approach, this study was intended to establish the relationship between exchange rate and inflation measured by CPI in South Sudan using time series monthly data for the period August 2011 to November 2014. The study reveals that there exists a unidirectional causality from exchange rate to CPI without feedback. This means depreciation of South Sudanese currency is detrimental to the economy of South Sudan. Although CPI failed to cause changes in exchange rate, there is no way to conclude with greater confidence that the results are true. The effect of the pressure of an increase in price level on exchange rate could have been from the response of monetary authorities in bridging the gap between the price level and the purchasing power of people in the economy. In South Sudan, with no response from the monetary authorities to increase money supply, the effect of increase in prices on exchange rate has been suppressed and only manifests itself in terms of suffering encountered by the economic actors with consumers and mainly the low-income consumers hit hard.Given the results, there is a need for the authorities to manage the exchange rate and save the domestic currency from depreciation. In search of more information, the study recommends further research to be conducted with the aim of establishing the weaknesses and strengths of South Sudan Central Bank management in carrying out effective monetary policies in the country.
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