Ten years ago this week, an appeals court upheld Microsoft's conviction for monopolizing the PC operating system market. The decision became a key legal precedent for U.S. antitrust enforcement.

The regulation of innovation and the optimal design of legal institutions in an environment of uncertainty are two of the most important policy challenges of the twenty-first century. Innovation is critical to economic growth.

Summary I would like to thank Chairman Conyers, Ranking Member Smith, Chairman Johnson and Ranking Member Coble for inviting me to testify. Members of the Committee: My name is Geoffrey…

Last June, Christine Varney, then a lawyer in private practice, now President Obama's nominee to be the next Assistant Attorney General for Antitrust, warned that Google, not Microsoft, is the monopolist of the future.