Launching and stimulating competition in telecommunications markets is an important policy goal. It contains two … elements: to encourage entry and to make competition effective such that consumers benefit. The first one requires that … difficult to achieve at the same time. In this paper, we consider price regulation in the retail and wholesale market and answer …

an adequate regulation of access to the non-competitive infrastructures (monopolistic bottlenecks) is necessary in order …

We evaluate the welfare effects of the Roam-Like-At-Home regulation, which drastically re-duced the price of accessing … impact of the regulation on different user segments. We estimate that around half of the gains stem from a reduction in … deadweight loss, i.e., new users accessing the mobile internet. We further show that the impact of the regulation varies with …

We empirically assess the impact of the EU roaming regulation on mobile operators' average revenues per user (ARPU) and …-level data we find that the regulation decreased mobile operator's revenues per user, while it had no impact on tariffs during … the latest phase of the regulation. …

-quality CP. This subsequently increases the degree of content differentiation, softening competition between the CPs. Imposing a … nondiscrimination regulation that forces the ISP to provide an equal quality upgrade to both CPs, however, can reduce the ISP …

Performance-based regulation (PBR) is influenced by the Bayesian and non-Bayesian incentive mechanisms. While Bayesian … incentives require long-term adjustments based on rate-of-return regulation with a used and usefulʺ criterion. …