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.
Oligopoly refers to competition among âfewâ or, to be more specific, among a few dominant firms. An oligopolist is not a big enough part of the market (like a monopolist) to be able to act as a price-maker.