•The THE MACMILLAN COMPANY ATLANTA SAN FRANCISCO MACMILLAN & CO., LIMITED LONDON BOMBAY CALCUTTA THE MACMILLAN CO. OF CANADA, LTD. (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 1919 All rights reserved |