As the chapter points out, the Internet has made the U.S.

economy more competitive by lowering barriers to entry and exit from industries.

a. To what extent is the Internet itself competitive?

b. Can competitive conditions develop from information technology, a technology that was created initially by centralized planning, that depends on agreed-upon rules to conduct business, and that has notoriously low marginal costs? (Think of the cost of downloading a song off the Internet.) (Radical)