The institutionalization of capital and the vesting of control in a
specialized stratum of the capitalist class corresponds chronologically
to an immense growth in the scale of management operations. Not only
in the size of enterprises growing at a great pace--to the point where
a few enterprises begin to dominate the productive activity to each major
industry--but at the same time the functions undertaken by management are
broadened very rapidly [production, and marketing] (181).