Next generation access networks (NGANs) are in many cases likely to be supplied by vertically integrated firms, that is, firms that both wholesale access and sell services downstream to end-users. A long standing concern of regulators is that such firms may engage in anti-competitive price...

Next Generation Access (NGA) networks entails significant investments but brings with it promises of a "brand new world" in telecommunications. In this paper, we provide an overview of some of its implications. In particular, we argue that it is not clear whether the "old" vertical integration...