Peter Principle
- the principle that members of a hierarchy are promoted until they reach the level at which they are no longer competent彼得原则（即在等级制度下的人可被晋升, 直至到达自己能力无法胜任的级别）。
词源
1960s: named after Laurence J. Peter （1919-90）, the American educationalist who put forward the theory.