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...

Broadband communications have become the most important focus in the current evolution of the Internet. But there is a significant difference in the broadband performance of different countries, raising critical issues about the United States, Japan and Korea, and the European Union. The United...