The recent growth of the Internet is creating markets for broadband telecommunications networks. In the past, virtually all such "infrastructure" networks have been subject to government regulation. Two reasons advanced for this market intervention are (i) such networks constitute a natural...

In platform-component systems with indirect network effects, some 'must-have' components are so popular with consumers that they create large, discrete indirect network effects when they become available on a platform. For example, ESPN is a must-have component of cable TV platforms. This paper...