The roam-like-at-home regulation (RLAH) eliminated all mobile roaming surcharges to Eu-ropean consumers travelling … within the European Economic Area (EEA). We measure the causal impact of the regulation on EEA roaming traffic, using the … revenues. To evaluate the welfare effects of the regulation, we develop a framework that includes consumer surplus, retail and …

We consider the regulation of national firms in a common market. Regulators can influence the production of national …

nondiscrimination regulation that forces the ISP to provide an equal quality upgrade to both CPs, however, can reduce the ISP …

We consider the regulation of a monopoly facing consumers that may evade payments, an important issue in public …

We analyze how a privacy regulation taking the form of a cap on information disclosure affects quality …. If the share of privacy-concerned users is sufficiently small, privacy regulation has a negative effect on innovation and … may harm users. However, if the share of privacy-concerned users is sufficiently large, privacy regulation has a positive …

We develop a dynamic regulation game for a stock externality under asymmetric information and future market uncertainty …. Within this framework, regulation is characterized as the implementation of a welfare-maximization program conditional on …

In this paper, we study regulation of externalities involving many small-scale polluters, where the damages from … such regulations should be designed and combined. We find that the optimal regulation design crucially depends on the type … technology regulation encourages cleaner technologies in high damage areas, but discourages their use in low damage areas …