The paper proposes a new way of analysing the efficiency of dynamic market selection, based on the persistence of scale economies. The new methodology is used to investigate the causes of stagnating productivity growth in EU business services. The persistence of scale-related inefficiencies is...

Almost all empirical research that has attempted to assess the validity of the Porter Hypothesis has started from reduced-form models, e.g. by using single-equation models for estimating the contribution of environmental regulation (ER) to productivity. This paper addresses the Porter Hypothesis...