Peter principle - Wikipedia

The cover of The Peter Principle (1970 Pan Books edition) The Peter principle is a concept in management developed by Laurence J. Peter which observes that people in a hierarchy tend to rise to "a level of respective incompetence": employees are promoted based on their success in previous jobs until they reach a level at which they are no longer competent, as skills in one job do not necessarily t

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see also the Dilbert Principle

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Drucker本で出た－ヒエラルキーの中で仕事が出来るとさらに上の仕事を与えられるが、出来ないとそこにとどまる。故、ヒエラルキーは出来ない人がその立場に富満待ってしまうと言う問題を内在しているということ？