The dictionary adds, "Like many of Friedman's contributions, in retrospect it seems remarkably simple and obvious to apply basic economic ideas to quality control; that, however, is a measure of his genius."
Rječnik dodaje, "Poput mnogih Friedmanovih doprinosa, u retrospektivi čini izuzetno jednostavnim i očiglednim primijeniti osnovne ekonomske ideje za kontrolu kvalitete,.