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.
Perfectly competitive firms are small in size in relation to the market size â and none of these firms control the market. A monopolist firm, on the other hand, is larger and controls the entire market for its industry. Monopolistic firms are price makers by virtue of their market control.