(THIRD REVISED EDITION) BY RICHARD T. ELY PROFESSOR OF POLITICAL ECONOMY IN THE UNIVERSITY OF WISCONSIN THOMAS S. ADAMS PROFESSOR OF POLITICAL ECONOMY IN THE SHEFFIELD SCIENTIFIC MAX O. LORENZ ASSOCIATE STATISTICIAN, INTERSTATE COMMERCE COMMISSION ALLYN A. YOUNG PROFESSOR OF ECONOMICS AND FINANCE IN CORNELL UNIVERSITY New York THE MACMILLAN COMPANY 1917 All rights reserved First published elsewhere. Reprinted May, 1900; July, October, New edition, revised and enlarged, September, October, 1908; Third edition, revised and enlarged, September, 1916. Reprinted Reprinted with corrections, August, October, 1917. Norwood Press J. S. Cushing Co. - Berwick & Smith Co. |