We analyze demand for prepaid cellular voice and short message service (SMS) in South Africa by means of a demand … highly, they are as much as twice more elastic than off-peak communications. In relative terms, demand for communications … during peak hours is more elastic for urban than for rural consumers, while the reverse can be said about demand for off …

estimating demand systems for alcohol and tobacco and subsequently calculating cross-price effects. However, this traditional …

In February 2008, British Telecommunications (BT) introduced automatically renewing, or ‘rollover’, contracts into the …. This raises significant concerns about the competitive effects of such contracts in media and telecommunications markets. …

assesses whether the general principles need to be adapted when dealing with the telecommunications services industry. The … are needed. First, careful consideration should be given not only to demand substitutabilities, but also to the … competitive interaction with all potential suppliers. Second, demand complementarities and the economies of joint production …

Using a new data set of the telecommunications sector on privatization (1981-98 for 167 countries) and competition … liberalization in the telecommunications sector. Building on the framework of a generalized private interest theory, we derive … telecommunications sector. We pay particular attention to how the effects of interest groups on policies vary from more democratic to …