Developments in the EU telecommunications markets require a recurrent redesign of the regulatory framework for … telecommunications services. In this regard, the analysis of the substitution effects between different types of telephony is the …

It has traditionally been argued that the development of telecommunications infrastructure is dependent on the quality … telecommunications services and find it to be much smaller in cellular telephony than in the others. By evaluating the importance of … offer policy implications for alleviating differences between countries in international telecommunications development. …