We apply and extend the cost-based approach to bundling and tying under competition developed in Evans and Salinger (2004) to over-the-counter pain relievers and cold medicines. We document that consumers pay much less for tablets with multiple ingredients than they would if they bought tablets...

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...

This paper examines the contribution of 3G and 4G cellular technologies to the smartphone revolution. It relies on quasi-natural experiments in which these technologies were launched at different times and deployed at different rates across countries while the availability of handsets, operating...

In the wake of a series of court cases extending patents to software, open-source software proponents have proposed a number of arguments for limiting or even eliminating software patents. In particular, they claim that the U.S. Patent and Trademark Office has done a poor job of reviewing...

Antitrust has grown explosively in the last quarter century. As of the end of 2004, 102 countries - from Albania to Zimbabwe - had national competition laws on their books. Together, these countries account for more than 85 percent of the world's population. Many of these countries, including...