1. Substitut-OTT-Dienste, d.h. solche Dienste, die funktional mit klassischen elektronischen Kommunikationsdiensten vergleichbar sind, müssen aus Gründen der Wettbewerbsgleichheit und der Technologieneutralität vergleichbaren regulatorischen Regelungen unterliegen wie klassische elektronische...

The Japanese broadband market was very competitive until recently owing to the interconnection rules and the significant market power (SMP) regulations on the incumbent fixed telecom giant, NTT East/West. Japan's regulator, the Ministry of Internal Affairs and Communications (MIC), could let the...

We consider a network that intermediates traffic between free content providers and consumers. While consumers do not know the traffic cost when deciding on consumption, a content provider knows his cost but may not control the consumption. We study how pricing consumers' and content providers'...

In my thesis, I study three important issues in industrial organization. Chapter 1 studies the impact of vertical integration on innovation in an industry where firms need to undertake risky R&D investments at both production and distribution stages. Vertical integration brings better...

The contribution of this paper is manifold. First, it provides a cooperation taxonomy for partnerships between telecommunication operators and Over-The-Top service providers. Second, it explores the impact of cooperative service provisioning on the telecommunication operator's business model. As...

During the last years, a surge in values related to the New Economy has occurred. This phenomenon is similar to the 2000 Dotcom bubble, even if in those years the value growth was fuelled by other firms and entrepreneurs. What both "bubbles" have in common is that, in both cases, they are based...

Economic incentives for security investment in elements of the Internet is of increasing concern. This paper contains an exploration of the incentives for Internet service providers (ISP)s to invest in security. The analysis focuses on the spillover effects of ISP security investments to other...

Introduction -- Broadband policy -- Broadband infrastructure -- Broadband data -- The spatial distribution of broadband provision -- The broadband-business nexus -- Digital innovation and entrepreneurship -- The future of broadband