Mortality risk due to water pollution is one of serious problems especially for Asian developing countries. The timing to carry out a policy or project against such a problem is typical debate of Environmental Kuznets Curve hypothesis. With survey data sets in Laos and Vietnam to ask citizens'...

We consider an empirical estimation of the Environmental Kuznets Curve (EKC) for carbon dioxide and sulphur, with a focus on confidence set estimation of the tipping point. Various econometric – parametric and nonparametric – methods are considered, reflecting the implications of...