pollution becomes negative in the long run. This, of course, is a highly implausible prediction. The paper at hand examines the … problem of negative pollution by, first, critically discussing two approaches adopted in existing EKC models and, second, by … theoretical problem of negative pollution, but also does well regarding the empirical plausibility of the abatement technology. …

the Environmental Kuznets Curve (EKC), stating that environmental pollution follows an inverted u-shaped course with … levels of pollution, our estimates imply that complexity may even exacerbate environmental issues in the short and middle run …

Production often causes pollution as a by-product. Once pollution problems become too severe, regulation is introduced … and decline of pollution can be explained by policyinduced technology shifts. …