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Articles 1 - 8 of 8
Full-Text Articles in Econometrics
An Alternative Class Of Ratio-Regression-Type Estimator Under Two-Phase Sampling Scheme, Muhammad Isah, Zakari Yahaya, Audu Ahmed
An Alternative Class Of Ratio-Regression-Type Estimator Under Two-Phase Sampling Scheme, Muhammad Isah, Zakari Yahaya, Audu Ahmed
CBN Journal of Applied Statistics (JAS)
In this study, a new exponential ratio-regression estimator is developed using an auxiliary variable for estimating the finite population mean under a two-phase sampling system. The Bias and Mean Square Error (MSE) of the proposed estimator are derived and compared with some of the estimators in extant literature. Thus, the conditions under which the proposed estimator is better than some existing estimators are provided. Empirically, using four real datasets and simulation study, the proposed estimator performs better than the classical ratio, classical regression, exponential ratio, and exponential regression cum ratio estimator when compared using the criteria of bias, mean square …
Insurgency, Political Risk, And Foreign Direct Investment Inflows In Nigeria: A Sectorial Analysis, Danjuma Iyaji
Insurgency, Political Risk, And Foreign Direct Investment Inflows In Nigeria: A Sectorial Analysis, Danjuma Iyaji
CBN Journal of Applied Statistics (JAS)
This study examines, among others, the effect of terrorism, political violence, corruption, and religious tension on FDI inflows to the banking, construction, manufacturing, oil and gas, and telecommunication sectors in Nigeria. Thus, empirical models were estimated using the fully modified ordinary least squares (FMOLS) technique. The study spans from 2008Q1 to 2017Q4. Findings show that terrorism adversely affects FDI inflow to telecommunication sector, while corruption positively impacts on the oil and gas sector. Thus, this study among other things, recommends the intensification of effort in the war against terrorism and strengthening of relevant anti-graft agencies to adequately fight corruption in …
Monetary Policy Transmission And Bank Interest Rates In Nigeria, Eleam Victor E., Ekwom Chinyelu G., Ariolu Chibueze C., Umebali Chukwubuzo J., Balogun Adewale T.
Monetary Policy Transmission And Bank Interest Rates In Nigeria, Eleam Victor E., Ekwom Chinyelu G., Ariolu Chibueze C., Umebali Chukwubuzo J., Balogun Adewale T.
CBN Journal of Applied Statistics (JAS)
The paper examines the adjustment of retail and money market interest rates to changes in discount corridor of the monetary policy in Nigeria. A vector error correction model was adopted for this study, using monthly data from 2007:06 to 2019:12. We further accounted for structural breaks in the dataset to improve its policy reliability. The adjustment parameters were found to be significant but with slow speed of adjustment. This finding provides evidence of the weakness of the discount corridor in monetary policy transmission in Nigeria. Furthermore, the results showed no asymmetric adjustment of retail rates to long run equilibria. Lastly, …
Inflations And Its Uncertainty In Some Ecowas Member States: Transfer Entropy Approach, Otoakhia Eric I.
Inflations And Its Uncertainty In Some Ecowas Member States: Transfer Entropy Approach, Otoakhia Eric I.
CBN Journal of Applied Statistics (JAS)
This study examines the information flow between inflation and inflation uncertainty (IU) and intrastate inflationary trend among some ECOWAS member states. IU is measured using GARCH models and stochastic volatility model (SV). Transfer entropy was adopted to quantify the extent of information flow. The result showed information flow exists from inflation to the GARCH measure of IU. On the reverse flow from inflation uncertainty to inflation, there is no information flow except for Burkina Faso and Gambia which have asymmetric bidirectional flow between inflation and IU. Adopting SV measure for IU, there are no support for causality from inflation to …
Relationship Between Real Exchange Rate And Consumption In Nigeria: A Nonlinear Approach, Babangida Jamilu S., Sanusi Aliyu R., Yusuf Isah M.
Relationship Between Real Exchange Rate And Consumption In Nigeria: A Nonlinear Approach, Babangida Jamilu S., Sanusi Aliyu R., Yusuf Isah M.
CBN Journal of Applied Statistics (JAS)
This study analyses the relationship between real exchange rate and domestic consumption in Nigeria using the Smooth Transition Autoregressive (STAR) model from 1981Q1 to 2019Q4. Findings show that domestic consumption determines the regime shift in real exchange rate, suggesting a nonlinear linkage with clearly distinct regimes. The lagged exchange rate is shown to have a significant linear effect on the current exchange rate. On the other hand, current foreign consumption is positive but has no significant impact on the exchange rate in the linear part of the model. In the nonlinear part of the model, evidence of a significant negative …
Pass-Through Effects Of Standing Facilities On Bank Interest Rates In Nigeria, Victor Ezeora Eleam, Chinyelu Gloria Ekwom, Chibueze Charles Ariolu, Chukwubuzo Jackson Umebali, Adewale Timothy Balogun
Pass-Through Effects Of Standing Facilities On Bank Interest Rates In Nigeria, Victor Ezeora Eleam, Chinyelu Gloria Ekwom, Chibueze Charles Ariolu, Chukwubuzo Jackson Umebali, Adewale Timothy Balogun
Economic and Financial Review
The paper investigates the pattern of pass-through effects of standing facilities rates on commercial bank retail interest rates in Nigeria. Monthly data spanning 2007:06 to 2019:12 and the Gregory-Hansen cointegration method that accounts for structural breaks are used in the empirical analysis. The adjustment parameters for the standing deposit and lending facilities are found to be significant, but with a low speed of adjustment. This provides some evidence on the nature of the interest rate channel of monetary policy transmission in the country. Furthermore, the study could not confirm asymmetry in the adjustment of retail rates to their long-run equilibria. …
Asymmetric Trade Flows, Monetary And Business Cycle Asynchronization Among Ecowas Member Countries: Feasibility Of Ecowas Monetary Union Formation Beyond 2020, Joseph Okwori, Walter O. Ugwuoke
Asymmetric Trade Flows, Monetary And Business Cycle Asynchronization Among Ecowas Member Countries: Feasibility Of Ecowas Monetary Union Formation Beyond 2020, Joseph Okwori, Walter O. Ugwuoke
Bullion
The formation of the West African Monetary Union which was initially slated for 2003 was postponed severally in 2005, 2009, 2015 and 2020. This raises the curiosity of investigating the possibility of its formation beyond 2020. It is against this backdrop that this paper investigated asymmetric trade flows, monetary policy and business cycle asynchronization among ECOWAS member countries: Feasibility of ECOWAS Monetary union formation beyond 2020. The objective was addressed using Pearson correlation analysis on computed zscores and the seemingly unrelated regression estimation (SURE). The finding shows that the flow of trade within ECOWAS member countries were highly asymmetric indicating …
External Sector Liberalization And Output Growth In Nigeria, Emmanuel A. Onwioduokit, Obong E. Effiong
External Sector Liberalization And Output Growth In Nigeria, Emmanuel A. Onwioduokit, Obong E. Effiong
Bullion
The paper investigates the impact of external sector liberalization (foreign direct investment, external debt stock, trade openness and exchange rate) on the output growth in Nigeria from the period 1981 to 2019, utilizing correlation analysis, Granger causality test and vector autoregression (VAR). The results indicate that foreign direct investment, external debt stock, trade openness and exchange rate all correlate positively with gross domestic product. Also, the granger causality test indicates that foreign direct investment, trade openness and exchange rate granger cause the output growth in Nigeria. From the VAR result foreign direct investment exerted positive and significant impact on the …