Main article: List of John McCain presidential campaign staff members, 2008. On July 2, 2008, Steve Schmidt was given full operational control of McCain's campaign. Schmidt had managed Arnold Schwarzenegger's 2006 re-election and was a top Dick Cheney aide.
Monopolistic competition. The model of monopolistic competition describes a common market structure in which firms have many competitors, but each one sells a slightly different product.
Monopolistic competition is a market structure with a large number of relatively small firms that sell similar but not identical products. Each firm is small relative to the overall size of the market such that it has some market control, but not much.