We develop a model of strategic geoblocking, where two competing multi-channel retailers, located in different countries, can decide to block access to their online store from foreign consumers. We characterize the equilibrium when firms decide unilaterally whether to introduce geoblocking...

Platform interoperability is considered a powerful tool to promote competition in digital markets when network effects are at play. We study the effect of interoperability on competition between two ad-financed platforms, allowing for endogenous multi-homing of consumers. When the platforms are...

The success of streaming services seemed to mark the end of the two-decade-long debate about online piracy. However, the emergence of new websites aggregating and distributing illegally content from multiple streaming platforms rekindled the debate. In this paper, we are interested in...

The Digital Markets Act (DMA) entered into force on 1 November 2022 and its rules will apply from 2 May 2023. The Commission should designate, for the first time, the gatekeepers subjected to the rules by September 2023 at the latest, and those platforms should comply with prohibitions and...

In this paper, we evaluate the efficiency of the French State aid plan for broadband deployment, the Plan France Très Haut Débit. According to State aid rules, public subsidies should not be substitute for private investment and should target areas with market failures. We estimate a...

In the telecommunications industry, the ladder-of-investment approach claims that service-based competition (when entrants lease access to incumbents' facilities) can serve as a “stepping stone” for facility-based entry (when entrants build their own infrastructures to provide services). In...

A new type of contractual arrangement in the music industry – the so-called “360-degree” or “equity” deal – allows a firm (e.g., a record label) to manage all of an artist’s activities, such as sales of recorded music, touring, merchandising, etc. Since these contracts internalize...