Which prompts me to recommend my favorite book on management consulting, the life, the legends, the myths:
http://www.amazon.com/Management-Myth-Debunking-Business-Phi...
A key insight is the role of business school theorists, particularly Michael Porter.
Porter essentially looked over the fence at economics, saw what the economists introduce as the bad behaviours and outcomes of monopolists, then taught that as behaviour to be emulated.
[1] http://www.theatlantic.com/magazine/archive/2006/06/the-mana...