The paper investigates the effects of agglomeration and specialization of technological activities on regional productivity growth, applying the notion of pecuniary knowledge externalities. The latter are indirect interdependencies between firms mediated by the price system. Pecuniary knowledge...

The new understanding of the characteristics of knowledge indivisibility and knowledge appropriability makes it possible to appreciate the key role pecuniary externalities play both in the generation and in the exploitation of technological knowledge. Pecuniary externalities affect access to...