The Environmental Kuznets Curve hypothesis (EKC) postulates an inverted u-shaped curve between important pollutants and per capita GDP analogous to the relationship between in-come inequality and income per capita which has been analysed by Kuznets in 1955. The arti-cle focuses on an empirical...

The importance of ecosystem functions for humankind is well known. But only few attempts have been undertaken to estimate the economic value of these ecosystem services. In particular, indirect methods are rarely used, even though they are most suitable for the task. This discrepancy is because...