States and their representatives, national governments, play a key role in national telecommunication markets. As lawmakers, they determine the playing field of the agents in the markets and the decision powers of national regulators. Simultaneously, they are involved in appointing presidential...

The interplay of infrastructure supply and demand is of central interest in line with Web 2.0. As the role of customers turns from a service users' role to an information providers' role, the traffic on existing lines increases and, simultaneously, customers' demand for high-quality...

Can regulation solve problems arising from a natural monopoly? This paper analyzes whether unbundling, referring to regulations that enforce sharing of natural monopolistic infrastructure, prevents entrants from building new infrastructure. It models and estimates a dynamic entry game to...

The ladder of investment is a regulatory approach that has been used by European National Regulatory Authorities (NRAs), in order to foster infrastructure competition among operators. the idea is to force incumbent operators to open several levels of access to their network in such a way that...

For many years electronic communications has been one of the most important areas of policy intervention for the European Union. Liberalisation and privatisation of the telecommunications industry have been very important topics of the policy debate in the two decades starting from 1990 to 2010....

Under an open access policy, incumbent broadband providers in all EU countries are required to let new market entrants access their networks through bitstream or local loop unbundling (LLU). This type of regulatory provision aims to increase competition among all broadband providers, and is...

In allen EU-Ländern sind die ehemals monopolistischen Breitbandanbieter im Rahmen einer Open-Access-Politik verpflichtet, neuen Anbietern über sogenannten Bitstrom oder die Entbündelung der TeilnehmerInnenanschlussleitung (Local Loop Unbundling, LLU) Zugang zu ihren Netzen zu gewähren. Diese...

This paper estimates demand for quadruple play mobile tariffs using a database of subscribers to a single mobile operator from a single town in a European country which has full coverage with both ADSL and FTTH broadband technologies. Based on the demand estimation we find that consumer...

We study substitution between fixed and mobile broadband services in South Africa using survey data on 134,000 individuals between 2009 and 2014. In our discrete-choice model, individuals choose fixed or mobile voice and data services in a framework that allows them to be substitutes or...

How does the choice to regulate a market take place? And how does regulation influence market outcome? We argue that to explicitly model the simultaneity between these two issues makes a qualitative difference in the analysis of the role of regulation, and empirically test our model in the U.S....