We analyze the impact of the ownership structure of cable television firms on the incentives to upgrade the cable networks to offer telecommunication services. First, we show that dual ownership of a local telephone network and a cable network, compared with separate ownership, may increase or...

We analyze the incentives of a vertically integrated firm, which is a regulated monopolist in the wholesale market and competes with an entrant in the retail market, to invest and to give access to a new wholesale technology. The new technology represents a non-drastic innovation that produces...