The decoupling hypothesis has attracted growing research interest since the Global Financial Crisis (GFC). However, there is a lack of evidence on patterns of business cycle co-movement for Africa specifically. This paper ...

G7 countries and China are considered not only the biggest energy producers globally but also the largest CO2 emission groups of countries among the world. In this study, we apply the Fourier quantile unit root test to ...

The convergence of air pollutants is a major concern for policymakers since all the countries pursue the goal of allocating the emissions equally internationally in the future. Hence, the examination of the existence ...

In this paper we examine the causal relationship between renewable energy consumption and economic growth across the G7 countries, using annual data for the period of 1990 to 2011. By employing the causality methodology ...

The importance of investment in Research and Development (R & D) in the energy sector is indisputable especially considering the benefits of new technologies to sustainability, security and environmental protection. However, ...