Varied environmental quality in terms of NO<SUB align="right">x</SUB>, SO<SUB align="right">x</SUB> etc. has been demonstrated as being associated with the per capita income of a specific region or/country, known as the environmental Kuznets curve (EKC) in the form of an inverted U-shaped curve. Recently, many attempts have been made to examine...</sub></sub>

Varied environmental quality in terms of NOSUB align=rightx/SUB, SOSUB align=rightx/SUB etc. has been demonstrated as being associated with the per capita income of a specific region or/country, known as the environmental Kuznets curve (EKC) in the form of an inverted U-shaped curve. Recently,...