The article analyses the growing role of on-line intermediaries in travel and accommodation services and the concerns that have arisen under competition law. In particular the clauses which tie service providers to the intermediaries are discussed in the light of several cases brought in front...

This online appendix to "Insulated Platform Competition" includes proofs and details of our applications.The paper to which these Appendices apply is available at the following URL: "http://ssrn.com/abstract=1694317" http://ssrn.com/abstract=1694317

Online platforms have become one of the most important business models of the digital economy and likely counteracted some of the drop in economic activity during the COVID-19 pandemic. At the same time, platform markets are subject to controversial debates about market power and the need for...

Online platforms are considered as very powerful economic agents often tending to obtain oligopolistic or even monopolistic positions in the market. In this respect, the liability of platform operators has been constantly discussed among scholars. The sharpest issue in this respect is whether...