of sustainable development around the world, especially in the Global South region. However, empirical studies on the … development and average industrial firm size with air pollution in the city through the Environmental Kuznets Curve (EKC …, measured by average firm size, depends on the type of air pollution: inverted N-shaped relationships with NO2 and CO, and the U …

We propose an estimation strategy that accounts for two major problems raised in the empirical literature testing for … make use of estimators that likely suffer less from heterogeneity, cross-sectional dependence, and other common factor … problems. Second, we apply nonlinear-nonstationary parametric and non-parametric estimation techniques to estimate the pairwise …

theoretical variations and different appropriate estimation procedures, it is found that only for few pollutants can the typical …