prices and features of goods without incurring search costs. The platform alleviates sellers' competition by charging them …

greater retail competition. These effects mitigate distortions from fee discrimination and improve welfare. In terms of policy …

We study the dynamics of competition in a model with network effects, an incumbent and entry. We propose a new way of …

We consider dynamic competition among platforms in a market with network externalities. A platform that dominated the … the focal platform whenever such equilibrium exists. Yet when faced with higher-quality competition, can a low …

We propose an analysis of platform competition based on the academic literature with a view towards competition policy …. First, we discuss to which extent competition can emerge in digital markets and show which forms it can take. In particular … competition in platform markets. Second, we analyse competition policy issues and discuss how rules designed for standard markets …

of multi-homing on both sides is mostly ignored in the literature on competition between two-sided platforms. We help … fill this gap by developing a model for platform competition in a differentiated setting (a Hoteling line), which is …

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 …

competition between two platforms to study private and social incentives to share information. Sharing information can be welfare …