London: Macmillan & Co., 1923. First Edition. Octavo (22cm.); publisher's dark green blind-ruled cloth, gilt-lettered spine; xv,,369pp. Corners a bit bumped with brief exposure, shallow chips at spine crown, endpapers toned, else Very Good, internally fine. Contemporary ownership inscription of American economist Holbrook Working (1895-1985), best known for his work on the theory of future prices and market maker behavior. This a late work by the British economist, much of it based on his earlier studies on international trade.