There is a growing international consensus that standard competition law is inadequate for addressing the panoply of competition problems arising in digital platform markets. Alongside a proposal for ex ante regulation in this arena, the European Commission is considering the introduction of a...

There is vigorous debate over the ability of the current antitrust enforcement regime in the United States to protect against potential reductions in competition caused by large technology companies. Some commentators have argued that current antitrust rules and processes cannot address...

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...