Economic man deals with the "real world" in all its complexity. Administrative man recognizes that the world he perceives is a drastic simplified model... He makes his choices using a simple picture of the situation that takes into account just a few of the factors that he regards as most relevant and crucial.

p. xxix; As cited in: Jesper Simonsen (1994) Administrative Behavior: How Organizations can be Understood in Terms of Decision Processes. Roskilde Universitet. - Administrative Behavior, 1947