Does economic growth, international trade, and urbanization uphold environmental sustainability in sub-Saharan Africa? Insights from quantile and causality procedures

Iheonu, Chimere; Anyanwu, Ogochukwu Christiana; Odo, Obinna K.; Nathaniel, Solomon Prince

doi:10.1007/s11356-021-12539-z

Cited by 65 publications

(51 citation statements)

References 57 publications

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“…Some scholars have carried out research based on this and found that in the process of urbanization, economic growth will increase CO 2 emissions. Iheonu et al ( 2021 ) used panel quantile regression analysis to study the impact of Sub-Saharan Africa (SSA) countries, economic growth, international trade and urbanization on CO 2 emissions. Their study found that these regions are in the process of urbanization, and GDP growth has promoted CO 2 emissions.…”

Section: Co 2 Emissions and Economic Growthmentioning

confidence: 99%

The relationship between health expenditure, CO2 emissions, and economic growth in the BRICS countries—based on the Fourier ARDL model

Chang

Wang

et al. 2022

Environ Sci Pollut Res

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In this paper, we use (Yilanci et al. 2020 ) Fourier autoregressive distributed lag (ARDL) model to study the correlation between health expenditures, CO 2 emissions, and GDP fluctuations in BRICS countries from 2000 to 2019. The Fourier ARDL model has the function of bootstrap repeated simulation calculations, so that small samples can also achieve the advantages of finer inspection results. In this paper, we find that in the long term, Brazil and China are countries that both have cointegration relationships in health expenditure, CO 2 emissions, and economic growth. With CO 2 emissions as the dependent variable and health expenditure and economic growth as independent variables, in the short term, there is a negative causal relationship between India’s CO 2 emissions and health expenditure; other countries only show the relationship between CO 2 emissions, health expenditure, or economic growth one-way relationship. This paper also has some policy suggestions on health expenditures and CO 2 emissions in the BRICS countries at the end.

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Section: Co 2 Emissions and Economic Growthmentioning

confidence: 99%

The relationship between health expenditure, CO2 emissions, and economic growth in the BRICS countries—based on the Fourier ARDL model

Chang

Wang

et al. 2022

Environ Sci Pollut Res

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“…There are many papers based on this method in the existing research, such as the studies of Qin [14], Liu [15,16], Chan [17], Onda [18], Megeri [19], and Ma [20] on China, India, central Asia, and other countries and regions. Castells-Quintana [21] and Iheonu [22] believed that urbanization in sub-Saharan African countries had not brought the expected benefits (as experienced in other parts of the world) and that demographic changes during the rise of large cities have resulted in urbanization without growth and unsustainable development in some regions. Ehrlich [23] evaluated the trend of population urbanization changes from 1975 to 2015 in mountainous areas across the world and believed that urbanization in the mountains is lower than that of lowlands, while the urbanization rate varies significantly across mountain areas.…”

Section: Indicator Selectionmentioning

confidence: 99%

Spatio-Temporal Evolution and Driving Mechanism of Urbanization in Small Cities: Case Study from Guangxi

Zhao

Wang

et al. 2022

Land

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Urbanization has an abundant connotation in dimensions such as population, economy, land, and society and is an important sign to measure regional economic development and social progress. The use of Night Light Data from remote sensing satellites as a proxy variable can significantly improve the accuracy and comprehensiveness of the measurement of urbanization development dynamics. Based on the Night Light Data and statistical data from 2015 to 2019, this paper quantitatively analyzes the spatio-temporal evolution pattern of urbanization in Guangxi and its driving mechanism using exploratory time-space data analysis, GeoDetector and Matrix: Boston Consulting Group, providing an important basis for sustainable urban development planning and scientific decision-making by the government. The findings show that (1) there is a high level of spatial heterogeneity and spatial autocorrelation of urbanization in Guangxi, with the Gini index of urban night light index and urban night light expansion vitality index always greater than 0.5, the global Moran’s I greater than 0.17, the spatial differentiation converging but the spatial correlation increasing. (2) The spatial pattern of urbanization in Guangxi has long been solidified, but there is a differentiation in urban development trend, with the coexistence of urban expansion and shrinkage, requiring differentiated policy design for urban governance. (3) The development and evolution of urbanization in Guangxi present a complex intertwined dynamic mechanism of action, with interaction effects of bifactor enhancement and non-linear enhancement among factors. It should be noted that the influence of factors varies greatly, with the added value of the tertiary industry, gross domestic product, total retail sales of social consumer goods having the strongest direct effect on the urban night light index, while the added value of secondary industry, per capita GDP, gross domestic product having the strongest direct effect on the urban night light expansion vitality index. All of them are key factors, followed by some significant influence factors such as government revenue, population urbanization rate, per government revenue, population urbanization rate, per capita disposable income of urban and rural residents that should not be ignored, and the rest that play indirect roles mainly by interaction.

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“…The nexus between urbanization and CO 2 emissions has been established and shows contradictory results across the available empirical evidence (Rahman and Alam 2021 ; Nathaniel and Khan 2020 ). Among the empirical evidence that examined nexus between urbanization and CO 2 emissions includes Kirikkaleli and Sowah ( 2020 ); Iheonu et al ( 2021 ); Rahman and Alam ( 2021 ); Nathaniel and Khan ( 2020 ); and Adedoyin and Zakari ( 2020 ). Iheonu et al’s ( 2021 ) study investigated the effect of urbanization on CO 2 emissions using sub-Saharan African countries’ datasets.…”

Section: Literature Reviewmentioning

confidence: 99%

Investigating factors affecting global environmental sustainability: evidence from nonlinear ARDL bounds test

Sowah

Kırıkkaleli

2022

Environ Sci Pollut Res

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The concept of environmental sustainability formed the basis of the Paris Agreement and the United Nations conference in Rio de Janeiro. Empirically, without environmental sustainability, everything else could fall apart or be aimless. This study investigates factors affecting global environmental sustainability spanning 1966Q1 to 2019Q4. However, there are many micro-/macroeconomic factors engendering the environment, and the absence of robust clarity on whether factors such as economic growth, urbanization, trade openness, and energy consumption matter for global environmental sustainability remains a global academic dilemma in the economics literature. This paper utilized the unrestricted nonlinear autoregressive distributed lag (NARDL) bounds test techniques to model their relationship. Furthermore, the study adopted fully modified ordinary least squares (FMOLS), dynamic ordinary least squares (DOLS), and canonical cointegrating regression (CCR) methods to test the research hypothesis, catering to the problem of endogeneity and serial correlation. Up-to-date of this study, no empirical study has examined the nexus of these variables within the global framework. The outcomes suggested that (i) NARDL bounds test of cointegration confirmed evidence of long-run and short-run relationships among the variables; (ii) long-run asymmetric relationship was affirmed among the variables; and (iii) DOLS, FMOLS, and CCR models demonstrate that economic growth, energy consumption, and trade openness are positively significantly correlated with environmental sustainability except for economic growth which shows negative and insignificant correlation. These findings validate the protracted argument in literature that these estimated variables are significant for global environmental sustainability. This study recommends that environmental policymakers integrate global economic incentives with favorable regulatory changes for achieving the goals of a global sustainable environment in the long-run equilibrium.

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Does economic growth, international trade, and urbanization uphold environmental sustainability in sub-Saharan Africa? Insights from quantile and causality procedures

Cited by 65 publications

References 57 publications

The relationship between health expenditure, CO2 emissions, and economic growth in the BRICS countries—based on the Fourier ARDL model

The relationship between health expenditure, CO2 emissions, and economic growth in the BRICS countries—based on the Fourier ARDL model

Spatio-Temporal Evolution and Driving Mechanism of Urbanization in Small Cities: Case Study from Guangxi

Investigating factors affecting global environmental sustainability: evidence from nonlinear ARDL bounds test

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