In this paper we address the possibility of foreclosure in markets where the final good consists of a system composed of a hardware good and compelementary software and the value of the system depends on the availability of software.

Search engines hold the key to helping consumers access the wealth of information on the web. In this paper, I examine the evolution of and competition in the internet search engine market. I find that while early entrants (Yahoo, Lycos, Excite, Infoseek, and Altavista) still have an advantage,...