In this paper, we study how the coexistence of access regulations for legacy (copper) and fiber networks shapes the incentives to invest in network infrastructure. To this end, we develop a theoretical model explaining investment incentives by incumbent telecom operators and heterogeneous...

Broadband internet expansion is a topic of widespread discussion in Germany right now. But the country still has not met its own targets. Almost 100 percent of households are supplied with broadband connections with up to six megabits per second, yet Germany has lots of room to catch up when it...

For more than 15 years, Local Loop Unbundling (LLU) has been introduced as a regulatory mean to overcome the bottleneck control over the last mile of copper cable owned by incumbent operators. However, despite its assumed positive effects on market entry and competition intensity, negative...

This paper develops a structural model which allows estimating the impact of regulatory decisions looking for the setting of download-speed standards on market structure and performance. We characterize a setting under which quality standards improve both service quality and availability. As to...