Shortly discuss how the development of the Internet has changed the market structure in which companies operate. Assume that most firms can be categorized as being in perfect competition, monopolistic competition, oligopoly, or monopoly. Keep in mind, however, that perfect competition exists mostly as an ideal or benchmark, i.e. it is rarely if ever seen in the 'real world.' Lastly, see if you can use our managerial economic material to measure the impact of the Internet on market structure.