The case of A also illustrates another issue linked to the definition of value. A’s business has a turnover, in the respect that it produces value on the transport market. However, nothing seems to have changed with regard to his former situation. We take this opportunity to state that our preoccupation is not to claim that value creation always represents a progress for the community,2 especially so as value creation can bring about, by a perverse effect, the immediate or subsequent disappearance of an even greater value (external diseconomy).