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Öğe Accounting for carbon dioxide emission effect of energy use, economic growth, and urbanization in the OPEC member states(John Wiley and Sons Inc, 2022) Alao, Rasheed O.; Payaslioglu, Cem; Alhassan, Abdulkareem; Alola, Andrew AdewaleWhile extant studies have largely associated environmental degradation with energy sources and energy consumption, the procedure of oil exploration has not been excluded in the discus of environmental sustainability. On this note, the current study examined the effect of per capita energy consumption and urban population for the 14 Organization for Petroleum Exporting Countries (OPEC) members from 1980 to 2017. In addition, the validity of Environmental Kuznets curve (EKC) hypothesis is investigated by using the State-of-the-art second-generation panel data techniques. The main finding reveals that at an early stage, economic growth endangers the environment by release of pollutant emissions. However, sustained economic growth ameliorates environmental problems. Therefore, study validates the EKC hypothesis for the case of OPEC. Additionally, both energy use per person and urban population adversely affects environmental sustainability. Besides, the findings infer that economic growth brings about an increase in energy consumption and not the other way round. Thus, energy conservation policies aimed at rationing energy consumption and controlling carbon dioxide emissions would hurt economic growth. © 2021 John Wiley & Sons Ltd.Öğe Coal consumption-environmental sustainability nexus in developed and developing major coal-consuming economies(Cell Press, 2024) Alhassan, Abdulkareem; Özturk, İlhan; Al-Zyoud, Mohammad Fahmi; Bekun, Festus VictorCoal is crucial for economic progress but equally baneful to the environment. Thus, the coal consumption-environmental sustainability nexus attracted the attention of both policymakers and scholars. This study evaluates the coal consumption-environment nexus in developed and developing countries over the period 2000-2020. We used panel data econometric techniques and the Augmented Anderson-Hsiao (AAH) two-step GMM estimator to assess and compare the impact of coal consumption on CO2. The findings revealed that the consumption of coal aggravates environmental pollution and hinders environmental sustainability. Thus, this study confirms the environment-destroying effect of coal consumption. However, the findings reveal that the negative consequence of coal consumption on the environment is more for the sample of developed countries than that of developing countries. This suggests that coal use harms the environment developed economies than the developing countries. Specifically, we found that the carbon emissions emanating from a one percent (1%) increase in coal consumption of the developed countries is about six-fold more than that of the developing countries. Therefore, this study suggests a gradual phase-out, rather than sudden phase-out, of coal consumption with greater emphasis on developed countries. The implementation of the coal phase-out policy and the removal of fossil fuel subsidies should start with the developed countries or be made more stringent in such countries than the developing economies. The developed countries should relinquish a greater proportion of their coal consumption than the developing countries.Öğe Does carbon emission react to oil price shocks? Implications for sustainable growth in Africa(Elsevier Sci Ltd, 2023) Okwanya, Innocent; Abah, Patricia O.; Amaka, Eje-Ojeka G.; Ozturk, Ilhan; Alhassan, Abdulkareem; Bekun, Festus VictorThis study examines the asymmetric effect of oil price changes on CO2 emissions for 30 African countries from 1987 to 2019. Using the panel non-linear autoregressive distributive lag (NARDL) methodology, the study reveals that an asymmetric relationship exists between oil price and CO2 emission as positive changes in the oil price are associated with a reduction in CO2 emissions. The negative change is also found to be associated with an increase in CO2 emission across the panel countries. In addition, in the long run, the degree of CO2 emission response to positive changes in oil price is more in oil-importing countries relative to oil-exporting countries. While CO2 emission response in oil-exporting countries responds more to negative changes in oil prices than in oil-importing countries. When we examine the response of GDP to a reduction in CO2 emission, we found that while a negative change in CO2 is associated with an increase in GDP in oil-importing countries, negative changes in CO2 emission significantly lead to a reduction in GDP in net oil-exporting countries. The study suggests strengthening the call for carbon emission reduction, especially in oil-exporting countries as oil price does not exhibit enough push factor towards the mitigation of CO2 emission in the continent.Öğe Economic Policy Uncertainty and Energy Prices: Empirical Evidence from Multivariate DCC-GARCH Models(MDPI, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2022) Ringim, Salim Hamza; Alhassan, Abdulkareem; Güngör, Hasan; Bekun, Festus VictorCrude oil and natural gas are crucial to the Russian economy. Therefore, this study examined the interconnections between crude oil price, natural gas price, and Russian economic policy uncertainty (EPU) over the period 1994–2019 using multivariate DCC-MGARCH models. The findings show that there are strong interconnections (co-movement) between the energy prices and EPU in Russia, and that it might be misleading to assume independence or neutrality between the variables. Although Russia is also a crucial player in both the natural gas and the crude oil markets, this study reveals that there is a stronger co-movement of the EPU with gas price than with the oil price. Russia is the largest exporter of natural gas and the second-largest producer; it is plausible that the natural gas price correlates with EPU more than the crude oil price. Further, the correlation between gas price and EPU and the correlation between crude oil price and EPU have similar patterns. Each declines almost in the same period and, equally, increases concurrently. In addition, the results revealed that significant global shocks and crises, such as the 2008 global financial crisis, the 2014–2017 Russian financial crisis, the 9/11 terrorist attack, and the Russo–Ukrainian conflicts, influence the interconnections between the energy prices and Russian EPU.Öğe Explosivity and Time-Varying Granger Causality: Evidence from the Bubble Contagion Effect of COVID-19-Induced Uncertainty on Manufacturing Job Postings in the United States(MDPI, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2022) Bekun, Festus Victor; Alhassan, Abdulkareem; Öztürk, İlhan; Gimba, Obadiah JonathanThis study evaluates the explosive behavior and Granger causality episodes in manufacturing job postings in the United States (JOBPUS) and COVID-19-induced uncertainty (COVIDEMV). This study applied the novel unit root tests with explosive behavior, and the novel time-varying Granger causality test for a sample period ranging from 1 January 2020 to 29 July 2022. Further, this study used date stamping to identify the subperiods of the explosive behavior and causality. The findings revealed that JOBPUS exhibits explosive behavior, with several episodes of exuberance (bubbles) across the sample period while COVIDEMV does not exhibit explosivity during the period. However, the results of the causality provide evidence of bidirectional causality, with several episodes between the variables. Moreover, the episodes of the explosivity and causality coincide with significant episodes in the history of the COVID-19 pandemic worldwide and in the United States particularly, such as the date when United States recorded a COVID-19-related death toll of over 100,000 people for the first time, after the presidential election, after Halloween celebrations, after the discovery and administration of COVID-19 vaccines as well as the discovery of the Delta and the Omicron variants of COVID-19. Therefore, the time-series characteristics of JOBPUS and its causal nexus with COVIDEMV largely depend on the intensity of the instability caused by the pandemics. Hence, explosivity and time-varying causal behavior should necessarily be accounted for when modelling the job market conditions in the United States, particularly during pandemic-related crises.Öğe Investigating the stationarity hypothesis of Gross Domestic Product per capita in Central and Eastern Europe and Commonwealth of Independent State countries: Evidence using Fourier based panel KPSS test(WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ, 2020) Tiwari, Aviral Kumar; Padhan, Hemachandra; Alhassan, Abdulkareem; Bekun, Festus VictorUsing annual data from 1985 to 2016, the study conducts a robust panel stationarity analysis by accounting for cross-sectional dependency, sharp breaks and gradual structural shifts for per capita Gross Domestic Product (PCGDP) of Central and Eastern Europe (CEE) and Commonwealth of Independent State (CIS) countries. The empirical finding reveals that PCGDP at different Fourier frequency and model structure (trend or constant) for both CEE and CIS countries are unit root process. Moreover, the PCGDP of CEE and CIS countries are nonmean reverting in the presence of cross-sectional dependence and gradual structural shifts which previous studies using well-known panel stationarity estimators fail to find. Policy insights are highlighted in the conclusion section.Öğe Sustainable electricity consumption in South Africa: the impacts of tourism and economic growth(Springer Heidelberg, 2023) Bekun, Festus Victor; Adekunle, Ahmed Oluwatobi; Gbadebo, Adedeji Daniel; Alhassan, Abdulkareem; Akande, Joseph Olorunfemi; Yusoff, Nora Yusma MohamedThe current study examines sustainable electricity consumption for economic growth in a small open and tourist economy. The energy-tourism nexus is evaluated for the relationship between sustainable electricity consumption and the international tourist arrival for the South African economy. The present study leverages on annual frequency data for South Africa from 1995 to 2019 for empirical analysis using the ARDL technique. Accordingly, empirical findings indicate a significant direct connection between the sustainable electricity consumption and the international tourism arrival; the study affirms that tourism-induced energy hypothesis is valid in South Africa. However, from a policy standpoint, alternative energy efficiency mechanisms such as renewable energy systems and emancipation of current energy management capabilities are recommended in South Africa. This is necessary for sustainable eco-friendly tourism that engenders clean energy consumption for the study area. More insights into policy caveats are presented in the concluding section.Öğe Sustainable Energy Supply, Finance, and Domestic Investment Nexus in West Africa(MDPI, ST ALBAN-ANLAGE 66, CH-4052 BASEL, SWITZERLAND, 2022) Kolawole, Kayode David; Ajayi, Micheal Adebayo; Alhassan, Abdulkareem; Bekun, Festus Victor; Uzuner, GizemThis study examines the impact of financial deepening and sustainable energy supply on domestic investment in West African countries. The data for the study range from 1990 to 2020 and were sourced from the World Development Indicator database. We used the cross-sectional autoregressive distributed lag (CS-ARDL) estimator for the analysis. Empirical findings showed that credit to the private sector significantly impacts domestic investment in West Africa. It was also revealed that access to electricity significantly impacts domestic investment in West Africa. This demonstrates that funding for the private sector and adequate power generation improve the investment in any economy. The study concludes that financial deepening has a significant impact on domestic investment. The study therefore recommends that the management of banks should be encouraged to pursue policies that will deepen the efficient allocation of financial services for domestic investment in the region.Öğe Synthesizing the role of technological innovation on sustainable development and climate action: Does governance play a role in sub-Saharan Africa?(Elsevier, 2023) Ofori, Elvis Kwame; Ozturk, Ilhan; Bekun, Festus Victor; Alhassan, Abdulkareem; Gimba, Obadiah JonathanThe present study draws motivation from United Nation Sustainable Development Goals (UNSDGs) and its impact by 2030. To this end, the current study explored the nexus between energy consumption (SDG-7), climate action (SDG-13), and economic growth (SDG-8) while controlling for role of government apparatus such as like voice of accountability, rule of law, control of corruption and technology innovation in a balanced panel of 46 Sub-Saharan African (SSA) economies from 1996 to 2020. For a robust study, the present study leverages on secondgeneration estimator such as cross-sectional SUR, two-stage least square (2SLS), 2SLS is referred to as the superior estimators to traditional pool OLS due to its capabilities of including endogenous regressors and efficiency. Empirical findings show that all the coefficients associated with mobile subscription (lnTI) are negative and statistically significant at 1% level of significance (P-value <0.01). This indicates that higher (lower) mobile cellular subscriptions results in the reduction (rise) of renewable energy consumption, implying that technological innovation in terms of the expansion of mobile cellular subscription hinders access to clean energy in SSA. Conclusively, the present study presents interesting outcomes concerning technology innovation, Governance, and SDGs goal 7 (clean energy) and 13 (climate action) in Sub-Saharan African blocs. Policy strategies are outlined in the concluding section.Öğe Towards achieving environmental sustainability: environmental quality versus economic growth in a developing economy on ecological footprint via dynamic simulations of ARDL(SPRINGER HEIDELBERG, TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY, 2021) Solarin, Sakiru Adebola; Nathaniel, Solomon Prince; Bekun, Festus Victor; Okunola, Akinbode Michael; Alhassan, AbdulkareemStudies have shown that factors like trade, urbanization, and economic growth may increase the ecological footprint (EFP) since ecological distortions are mainly human-induced. Therefore, this study explores the effect of economic growth and urbanization on the EFP, accounting for foreign direct investment and trade in Nigeria, using data from 1977 to 2016. This study used the EFP variable as against the CO2 emissions used in the previous studies since the former is a more comprehensive and extensive measure of environmental quality. We apply the novel dynamic autoregressive distributed lag (ARDL) simulations for model estimation, the Bayer and Hanck J Time Ser Anal 34: 83–95, (2013) combined cointegration, and the ARDL bounds test for cointegration. Although the results affirmed the presence of long-run relationship among the variables, economic growth deteriorates the environment in the short run, while urbanization exacts no harmful impact. In the long run, FDI and trade deteriorate the environment while economic growth adds to environmental quality. It is recommended that policymakers strengthen the existing environmental regulations to curtail harmful trade and provide rural infrastructures to abate urban anomaly.
