operator is allowed to enter the market or not, standard access regulation leads to broader infrastructure coverage than co-investment …We introduce a model of asymmetric competition where two network operators with different investment costs may build an … internet access infrastructure and where a virtual operator provides services through third-party access. We show that the …

Infrastructure regulation has faced transitions not just in recent years, but also throughout much its existence over …. Along with affecting infrastructure, the global financial crisis may itself be a network effect. This paper was presented as …

, while one is concerned with determinants of investment in ICT networks. The study uses German firm-level data and regional …

has the option to enter the market with or without having preliminary invested in its own infrastructure; in case of … this overstimulates rival's investment that may turn out to be socially inefficient. Access regulation may discourage …

, while one is concerned with determinants of investment in ICT networks. The study uses German firm-level data and regional …

the entrant's investment decision. While investment lowers marginal costs in regions with facility-based entry, it …

, simultaneously, customers' demand for high-quality infrastructure. On the other hand, infrastructure providers carry investment risks … to initiate adequate investment incentives.Using a two-equation estimation approach, a direct competition effect (more …The interplay of infrastructure supply and demand is of central interest in line with Web 2.0. As the role of customers …