The Peter PrincipleIn a hierarchy, every employee rises to the level of their own incompetence. This simple maxim, defined by the classic book, The Peter Principle, over 40 years ago, has become a beacon of truth in the world of work. From the civil service to multinational companies to hospital management, it explains why things constantly go wrong: promotion up a hierarchy inevitably leads to over promotion and incompetence. Through barbed anecdotes and wry humour,