Chapter CVI: Section CV: Supply

In the case of isolated chance exchanges, the seller, too, takes into consideration, first of all, value in use, and compares the satisfaction which the commodity to be parted with and that to be received are able to afford. It is true that in making this estimate, he is subject in the highest degree to error and deception.(629) In the well ordered trade of a nation whose economy is highly developed, the seller, who had this very trade in view in his production, is wont to consider almost exclusively the value in exchange of his commodity.