Multi-sided platforms such as exchanges, search engines, social networks and software platforms create value by assembling and serving communities of people and businesses. They generally solve a transaction problem that prevents agents from coming together to exchange value. An essential...

This paper presents an overview of what economists can say about vertical constraints by multi-sided platforms at this stage in the development of our knowledge about the economics of these businesses. It describes the general procompetitive and anticompetitive uses of vertical restraints by...

Many online businesses, including most of the largest platforms, seek and provide attention. These online attention rivals provide products and features to obtain the attention of consumers and sell some of that attention, through other products and services, to merchants, developers and others...

This paper considers recent proposals for restricting keyword advertising using competitor brand names. Keyword advertising is similar to many other widely used and valuable methods of marketing to the customers of rivals that increase competition and facilitate entry. Queries for products or...

In the last decade a number of Internet-based multi-sided platforms have emerged that provide free services to, in some cases, millions of businesses. More such platforms are being spawned as the Internet-based economy grows. This Article argues that under current norms in adversarial...

We propose an alternative to the LIBOR based on three pillars. (1) Banks that participate in the rate setting process would have to submit bid and ask quotes for interbank lending and commit that they would conduct transactions within that range. If they traded outside of those ranges they would...