However, in calculating the value of an output, some concept of value is nevertheless required; and a persisting management preoccupation, particularly in large corporations, concerns the question of which activities of a business are value adding.
However, in calculating any output value, some concept of value is nevertheless required, because we cannot relate, group and aggregate prices (real or notional) at all without using a valuation principle. A persisting management preoccupation, particularly in large corporations, also concerns the question of which activities of a business are value adding.