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 study the impact of access regulation on an entrant's decision whether to invest in a telecommunications network or to ask for access when the regulator cannot observe its efficiency level. We show that an efficient entrant may have incentives to target low demand after entry in order to...