(!), on the market.
Unaltered price of produc¬ tion. It constitutes merely a question ol proportions. — F. E. CHAPTER IV THE THREE FORMULAS OF THE SUBJECT 377 deriving the revenues which exist. (Storch [ Cours d’economie politique, 1, 14, 15). In his Considerations sur la nature du revenu national (Paris, 1824), Storch indeed realises in his productive capital can.