The book is The Peter Principle: "In a hierarchy every employee tends to rise to his level of incompetence." This leads to Peter's Corollary: "In time, every p

The book is The Peter Principle: "In a hierarchy every employee tends to rise to his level of incompetence." This leads to Peter's Corollary: "In time, every post tends to be occupied by an employee who is incompetent to carry out its duties." The Wikipedia article is a pretty thorough summary of the book: https://en.m.wikipedia.org/wiki/Peter_principle https://en.m.wikipedia.org/wiki/Peter_principle