This article is about a type of business that connects distinct groups of customers on a "multi-sided platform." Such businesses have been around for millennia. But their economic importance has increased with the Internet revolution. Many significant web-based businesses such as eBay, Facebook,...

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...

The Federal Communications Commission and the U.S. Department of Justice, in the course of considering mergers and acquisitions as well as other policy matters, have conducted detailed investigations of the wired broadband business, and the intertwined business of providing linear programming....

Recent claims that online platforms have secured permanent monopolies, protected by barriers to entry from network effects and stockpiles of data, and should be the focus of intense antitrust and regulatory scrutiny, are inconsistent with the economics, technology, and history of online...

Competition in many important industries centers on investment in intellectual property. Firms engage in dynamic, Schumpeterian competition for the market, through sequential winner-take-all races to produce drastic innovations, rather than through static price/output competition in the market....

Competition in many important industries centers on investment in intellectual property. Firms engage in dynamic, Schumpeterian competition for the market, through sequential winner-take-all races to produce drastic innovations, rather than through static price/output competition in the market....