This paper aims to explore how the competitiveness of the EU economy, here captured by export dynamics over the medium run (1996-2007), has been affected by environmental regulation both on the public and private sector side. The strong and weak versions of the Porter hypothesis are tested by...

This paper develops a theoretical model to study how investment decisions in innovation taken by a single agent are influences by environmental externalities produced by investment decisions taken by other agents. The model acts in a dynamic framework, where knowledge stock represents the...