Web-based businesses are increasingly the subject of antitrust concerns. Plaintiffs in the United States have sued eBay for tying its online payments service to its transaction service. Multiple jurisdictions in the European Community have claimed that Apple has violated the competition laws by...

B2B electronic transaction platforms help business buyers and sellers find each other; help businesses manage procurement; and facilitate invoicing, payment and financing. A number of these platforms have emerged since the mid 1990s. Although the preponderance of transactions involve paper,...

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...

The web economy has grown rapidly in the last decade. Online businesses have several key features that are important for understanding the pro-competitive and anti-competitive strategies they may engage in. The two-sided markets literature helps elucidate many of these strategies. It also...

This paper is one of the major economic studies I submitted to the FCC in opposition to the proposed merger of Comcast and Time Warner Cable. After reviewing and rebutting some of the economic theories and evidence put forth by Comcast in support of the merger the paper presents an antitrust...

Tech Reg refers to the regulation of internet-connected digital businesses and the discipline that studies the when, and how, to do that. It covers areas as diverse as big tech, crypto, fintech, gig, misinformation, privacy, and telemedicine. It will expand over the coming decades as the digital...