A natural monopoly existed as ALCOA. They drove prices down in the aluminum market down by always looking to be more efficient in their processes and owning the patent that made aluminum smelting possible. Even though they were also competing against other building materials, the courts still found them guilty using the Antitrust Act. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://mailman.mn-linux.org/pipermail/tclug-list/attachments/20100820/55106883/attachment.htm