An empirical test of environmental Kuznets curve for water pollution
Abstract The Environmental Kuznets Curve (EKC) on water pollution was investigated with
both semiparametric and parametric models using watershed level data for the state of
Louisiana, USA. The parametric model indicated the turning points within the range 10241–
12993, 6636– 13877, and 6467– 12758 for nitrogen (N), phosphorus (P), and dissolved
oxygen (DO), respectively. However, only the parameters associated with N EKC were found
to be significant. Model specification tests rejected parametric models in favor of …
both semiparametric and parametric models using watershed level data for the state of
Louisiana, USA. The parametric model indicated the turning points within the range 10241–
12993, 6636– 13877, and 6467– 12758 for nitrogen (N), phosphorus (P), and dissolved
oxygen (DO), respectively. However, only the parameters associated with N EKC were found
to be significant. Model specification tests rejected parametric models in favor of …
Abstract
The Environmental Kuznets Curve (EKC) on water pollution was investigated with both semiparametric and parametric models using watershed level data for the state of Louisiana, USA. The parametric model indicated the turning points within the range $10241–$12993, $6636–$13877, and $6467–$12758 for nitrogen (N), phosphorus (P), and dissolved oxygen (DO), respectively. However, only the parameters associated with N EKC were found to be significant. Model specification tests rejected parametric models in favor of semiparametric specification for P but not for N and DO.
Springer
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