After World War II, large corporations went on acquisition binges and turned themselves into massive conglomerates. In their landmark Harvard Business Review article from 1980, “Managing Our Way to Economic Decline,” Robert Hayes and William Abernathy pointed out that the conglomerate structure forced managers to think of their firms as a collection of financial assets, where the goal was to allocate capital efficiently, rather than as makers of specific products, where the goal was to maximize quality and long-term market share.
Kenneth Sutton's aide-mémoire