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This study examines the impact of urbanization on growth and the role of international financial flows in the urbanization-growth nexus.

The study applies the panel least square estimation to examine the impact of urbanization on growth using panel data from 50 developing countries from 1980 to 2016. Further, addressing the endogeneity issues in panel estimations, the study applies the dynamic System-GMM approach to investigate the role of financial flows in urbanization and their impact on economic growth in developing countries.

Contrary to the conventional literature, we found a non-linear (U-shaped) relationship between urbanization and growth. Our findings demonstrate that growth is reduced at a lower level of urbanization due to less availability, concentration, and synchronization of production factors. The concentration of physical and human capital and technological advancement in urban areas help developing countries achieve economic growth at a higher level of urbanization. Robust estimations divulged that foreign aid spent on infrastructure development and expanding urban regions helps promote economic growth. Nevertheless, as a resilient factor, remittances buffer the rapid pace of urbanization and reduce growth by resisting the migration of labor and capital from rural to urban areas.

The paper's findings suggest policymakers promote urban infrastructure and development using local and international funds since its increased level spurs economic growth. Further, the results advise policymakers to reduce aid dependency, attract FDI, and facilitate the easy and low-cost transfer of money to promote remittance inflows since both FDI and remittances positively contribute to economic growth.

The paper contributes significantly to the literature by determining the U-shaped relationship between urbanization and growth and highlighting the role of international flows in the urbanization-growth nexus.

The objective of the research is threefold. First, the study examines the fiscal policy – income inequality nexus in SA. Second, the study addressed the potential asymmetric effects in fiscal policy – income inequality nexus in SA (i.e. we assessed the effects of fiscal policy on income inequality at different quantiles of the income inequality) using secondary data from 1980–2020. Third, the study also identifies the optimal fiscal policy instrument that achieve the greatest distributional objectives.

The study adopts the traditional ordinary least square (OLS) and the innovative Quantile estimation techniques.

The study found that fiscal policy marginally reduces the income inequality at the lower quantiles (t: 0.05). Specifically, the results show that government spending on health and education reduces income inequality at the lower quantiles (t: 0.05; t: 0.25), albeit exerts a statistically weak impact. On the other hand, the results show that at the upper quantiles, fiscal policy has no statistically significant impact on income inequality. However, we do not find either direct or indirect tax to have any impact on income inequality at any conventional level of significance. This suggests that government spending on health and education have the greater potential to reduce income inequality in South Africa. The research and policy implications are discussed.

The study addressed the asymmetric phenomenon in income inequality-fiscal policy nexus in South Africa.

The peer review history for this article is available at: https://publons.com/publon/10.1108/IJSE-12-2023-0956

The purpose of this study is to investigate the influence of green finance on human well-being in China in the context of urbanization and aging population. It aims to explore the contributions of green finance in such demographic scenarios.

This study innovates and optimizes the calculation of the carbon intensity of human well-being (CIWB) index and strengthens the integrity of the assessment model for green finance development. It uses the serial multiple mediator model and moderation effect analysis to address the impact of green finance on human well-being in China on the provincial level from 2009 to 2020.

Green finance has a significant, positive and direct impact on human well-being. Simultaneously, it influences human well-being indirectly through three transmission channels. Urbanization and an ageing population are significant individual mediators through which green finance contributes to human well-being improvement. Notably, these two mediators also work together to transfer the promotional impact of green finance to human well-being.

The government can perfect the regulations to strengthen the market ecosystem to accelerate the development of green finance. Reforms on the administrative division to expand the size of cities with the implementation of ageing friendly development strategy is also necessary. Attracting incoming foreign direct investment in sustainable projects and adjusting public projects and trade activities to fulfil the sustainable principles are also regarded as essential.

The findings challenge traditional views on the impact of aging populations, highlighting the beneficial role of green finance in improving well-being amidst demographic changes. This offers a new perspective on economic and environmental sustainability in aging societies.

A multi-dimensional well-being indicator, CIWB and the serial multiple mediator model are used and direct and indirect impacts of green finance on human well-being is exhibited. It offers novel insights on the transmission channels behind, identifies the mediating role of urbanization and ageing population and offers empirical evidences with strong academic and policy implications.

This study was conducted to review the overview of green growth and examine the role of financial inclusion as well as economic integration and other variables on green growth in Association of Southeast Asian Nations (ASEAN) countries.

Principal component analysis (PCA) was used to construct financial inclusion variables and panel data regression analysis to examine the effect of financial inclusion and economic integration on green growth in 10 ASEAN countries from 2010 to 2021.

The results showed that financial inclusion had played a role in supporting green growth in ASEAN. The rapid development of green finance and green bonds promoted the implementation of better green growth. The variables of export diversification and trade openness had a significant effect on green growth. Therefore, there is a need for appropriate policies to prevent negative effects on the environment and the behavior of ASEAN countries.

The findings of this study suggest that policymakers in ASEAN countries not only focus on gaining economic benefits from financial inclusion and economic integration activities but also pay attention to environmental impacts. Moreover, the ASEAN region is actively developing strategic steps in providing easy access to capital and finance as well as expanding international trade activities through ASEAN Free Trade Area (AFTA). Therefore, it is hoped that apart from being able to establish sustainable policies, this region will also encourage and optimize previous policies to make them more environmentally friendly.

This study used a green growth approach with the Index by the Global Green Growth Institute. This index considered aspects of green economic opportunities and social inclusion that have not been applied in previous studies. In addition, this study contributed to review the activities of economic integration and financial inclusion and the sustainability of green growth in ASEAN countries. Until now, there has been no research focused on ASEAN; even though ASEAN has long carried out economic integration and encouraged financial inclusion policies, this region is vulnerable to environmental degradation issues.

Predicting commodity futures trading volumes represents an important matter to policymakers and a wide spectrum of market participants. The purpose of this study is to concentrate on the energy sector and explore the trading volume prediction issue for the thermal coal futures traded in Zhengzhou Commodity Exchange in China with daily data spanning January 2016–December 2020.

The nonlinear autoregressive neural network is adopted for this purpose and prediction performance is examined based upon a variety of settings over algorithms for model estimations, numbers of hidden neurons and delays and ratios for splitting the trading volume series into training, validation and testing phases.

A relatively simple model setting is arrived at that leads to predictions of good accuracy and stabilities and maintains small prediction errors up to the 99.273th quantile of the observed trading volume.

The results could, on one hand, serve as standalone technical trading volume predictions. They could, on the other hand, be combined with different (fundamental) prediction results for forming perspectives of trading trends and carrying out policy analysis.

This study aims to investigate the relationship between financial inclusion and household expenditure behaviour among Ghanaian households, by taking into account both formal and informal financial inclusion channels.

Propensity score matching as well as instrumental variable techniques are applied to data from the Ghana Living Standard Survey to investigate the effect of financial inclusion on the share of total expenditure devoted to different categories, including food, health, education, housing, durables, temptation goods and other goods.

Informal financial inclusion seems to have no substantial effect on households’ consumption behaviour, whereas formal financial inclusion significantly affects it. The study finds that formal financial inclusion is inversely related to the budget share devoted to short-term expenditure (food, temptation goods and other goods such as transport and recreation). Conversely, financially included households spend more on long-term expenditure such as education, housing and consumer durables, thus, suggesting a diversion effect towards investment in long-term physical and human capital.

The investigation of the heterogeneous impact across households (male vs female headed, rural vs urban) has essential policy implications on how financial inclusion can be improved among the disadvantaged groups, and with what effects.

The study focuses on the importance of financial inclusion in Ghana, considering both formal and informal financial inclusion channels. Previous studies only examined the overall effects on household welfare, overlooking the impact on household expenditure composition and consumption shares. The analysis also considers the heterogeneous impact of financial inclusion on households based on the gender of the household head and the location where households reside (rural, urban).

While the extant literature has explored issues related to the access, usage and availability of financial services, the ability of households to withstand financial adversities, particularly those living under economically vulnerable conditions, requires further attention. The paper presents a gendered analysis of financial resilience behaviour in South Africa.

Using a nationally representative sample of 4,880 households, this paper constructs a financial resilience behaviour index (FRBI) covering savings, credit, insurance, and retirement planning behaviours. The gendered effect of demographic characteristics on financial resilience is examined using the ordinary least square and seemingly unrelated regression techniques.

The results show that low levels of financial resilience were present across the sample with insurance observed to be the greatest driver of financial resilience, followed by retirement planning, savings and credit respectively. Furthermore, the analysis highlights that a gender gap in financial resilience exists as men are characterized with higher financial resilience behaviour compared to women. The results also suggest that employed women and women with higher levels of education are associated with greater financial resilience.

Based on these results, improving access to higher education and employment opportunities for women will enhance their financial resilience and contribute towards addressing SDG (5) on gender equality.

As far as the authors are aware, this paper presents the first empirical analysis of the gender gaps in socio-demographic characteristics that explain financial resilience in South Africa.

The main objective of this study is to analyze the mediating role of intellectual capital in the relationship between diversification, financial stability, and efficiency of the banking sector in Ethiopia.

Secondary data for this study was obtained from audited financial statements of 17 Ethiopian commercial banks for a decade starting in 2013. A descriptive and explanatory research design with a quantitative research approach was employed. The seemingly unrelated Hierarchical regression analysis is used to estimate diversification’s effect on banks' financial stability and efficiency, considering the interaction between diversification and intellectual capital as a mediating variable.

The Mediation analysis reveals that asset diversification improves the financial stability of commercial banks when mediated by intellectual efficiency. Investment diversification negatively impacts risk-adjusted return on asset and Z score. Intellectual capital significantly enhances commercial banks' efficiency and financial stability in Ethiopia and mediates the relationship between geographic diversification, financial stability, and efficiency. The mediation analysis also indicates that intellectual capital significantly mediates the relationship between income diversification and efficiency.

This study highlights the importance of intellectual capital and promotes its strategic allocation by management and regulatory bodies to enhance the financial stability and operational effectiveness of the banking industry in Ethiopia.

To the best of the researcher’s knowledge, this study is one of the rare attempts to investigate the mediating role of intellectual capital on the nexus between diversification, financial stability, and efficiency of commercial banks in Ethiopia.

The primary objective is to analyze the direct and short-run impact of hosting the FIFA World Cup on inward FDI, considering both aggregate and sectoral levels. Additionally, the study aims to investigate the moderating role of governance quality on this impact, emphasizing the importance of robust institutional frameworks in attracting FDI.

This paper uses panel data spanning 1970–2022, encompassing 12 countries that have hosted FIFA World Cup events. The study employs a linear regression model with a robust weighted least squares (RWLS) estimation method. It incorporates various control variables and the institutional quality as moderating variables, to evaluate the impact of hosting the FIFA World Cup on inward FDI at both aggregate and sectoral levels.

Hosting the FIFA World Cup is associated with a significant average increase of $4.33 bn in inward FDI at the aggregate level. Notably, governance quality serves as a critical moderating factor, with well-governed countries experiencing a more substantial increase in FDI, totaling $10.5 bn. At the sectoral level, the results reveal that poorly governed countries attract FDI in primary sectors, while well-governed countries attract FDI in secondary and tertiary sectors. This highlights the nuanced dynamics of FDI attraction depending on the institutional quality of the host countries.

A primary limitation lies in the scarcity of sectoral-level data, constraining the comprehensive study of the relationship between hosting mega-sport events and FDI. Future research could explore alternative data sources and methodologies to overcome this limitation. Additionally, extending the analysis to include other economic indicators beyond FDI could provide a more holistic understanding of the economic implications of hosting major international sporting events.

This study contributes to the literature by focusing exclusively on the FIFA World Cup and undertaking a comprehensive sectoral analysis. By incorporating governance quality as a moderating variable, it adds a nuanced layer to the understanding of the impact of hosting international events on FDI at the sectoral level. The findings underscore the importance of targeted strategies and robust institutional quality in enhancing FDI attractiveness.

The paper investigates the determinants of the Ordinary Least Squares (OLS) bias of the wage return to graduate education for high-school workers in Portugal.

The study uses matched employer-employee data for Portugal, over the 2002–2012 period, to estimate a wage-schooling model that controls not only for individual observed characteristics, firm observed characteristics and year fixed effects, but also for three high-dimensional vectors of fixed effects – one for employees, one for employers and one for job titles.

The main results are the following. First, disregarding individual fixed effects is highly problematic, accounting for 48.5% of the OLS bias. Second, disregarding firm fixed effects is also problematic, accounting for 12.3% of the OLS bias.

The implication for the studies in the labor-supply literature that estimate, by means of instrumental variables, the wage returns to in-school work or to on-the-job schooling is that an instrument dealing with employee’s unobserved ability only may fail to meet the exclusion restriction.

Take the typical instrument based on a policy reform that changes the compulsory schooling level in the population. This instrument may well be argued to be correlated with the education of the employee and uncorrelated with the unobserved ability of the employee, but unfortunately it cannot be seen as orthogonal to the unobserved ability of the employer because of its correlation with the (unobserved) education of the manager. This is a simple corollary of the fact that the employee and the manager belong, in general, to the same population.

Individuals invest a considerable amount of resources in education, which is seen to have positive effects on several dimensions of individual life. Yet, the estimation of these effects is still surrounded by technical difficulties.

To the best of the authors’ knowledge, this is the first study that uses the Gelbach decomposition to investigate the determinants of the OLS bias of the wage return to graduate education for high-school workers.