This article addresses the impact of regulatory policy on levels of infrastructure deployment and derived welfare in the telecommunications sector. The model considers two potentially coexisting and partially competing techniques (the "old" ADSL - Asymmetric Digital Subscriber Line - technique)...

High-speed communication networks are the basic infrastructure for a whole range of next generation communication services. They can induce a wave of innovations and eventually lead to growth and new employment. However, large investments will be needed to generate Next Generation Networks (NGN)...