OPPORTUNITY The Annals VOLUME LIX MAY, 1915 EDITOR: CLYDE LYNDON KING ASSISTANT EDITOR: T. W. VAN METRE EDITOR BOOK DEPT.: ROSWELL C. MCCREA EDITORIAL COUNCIL: J. C. BALLAGH, THOMAS CONWAY, JR., S. S. HUEBNER, CARL PHILADELPHIA Copyright, 1915, by AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE All rights reserved EUROPEAN AGENTS ENGLAND: P. S. King & Son, Ltd., 2 Great Smith St., Westminster, London, FRANCE: L. Larose, Rue Soufflot, 22, Paris. GERMANY: Mayer & Müller, 2 Prinz Louis Ferdinandstrasse, Berlin, N. W. ITALY: Giornale Degli Economisti, via Monte Savello, Palazzo Orsini, Rome. THE RESOURCES OF UNITED STATES AND THEIR RELATION R. Malcolm Keir, Wharton School of Finance and Commerce, University PROLONGING LIFE AND DEVELOPING PERSONAL POWERS.. 29 J. Pease Norton, West Haven, Conn. THE IMPORTANCE OF RESEARCH AS A MEANS OF INCREAS- M. B. Waite, Pathologist in Charge, Fruit Disease Investigations, W. J. Spillman, Agriculturist in Charge, Office of Farm Management, United States Department of Agriculture. THE SCIENTIFIC STUDY OF MARKETING.. Selden O. Martin, Harvard University, Cambridge, Massachusetts. THE RELATION OF RESEARCH TO THE PROGRESS OF MAN- W. R. Whitney, Research Laboratory, General Electric Company, PART II-EMPLOYMENT AND UNEMPLOYMENT LOW WAGES AND THE LOW WAGE ENVIRONMENT... Frank P. Walsh, Chairman, United States Commission on Industrial THE ADEQUACY OF AMERICAN WAGES.... Scott Nearing, Ph.D., Wharton School of Finance and Commerce, Uni- 283970 INDUSTRIAL OUTPUT AND SOCIAL EFFICIENCY.. Charles Ervin Reitzel, Instructor in Economics, Wharton School of Finance and Commerce, University of Pennsylvania. THE THEORIES ADVANCED IN EXPLANATION OF ECONOMIC E. M. Patterson, Ph.D., Wharton School of Finance and Commerce, PART III-NECESSARY READJUSTMENTS THE NEW GOVERNMENT REGULATION OF BUSINESS... James T. Young, Wharton School of Finance and Commerce, Univer- THE ATTITUDE OF BUSINESS TOWARDS FOREIGN TRADE... Edward Ewing Pratt, Ph.D., Chief, Bureau of Foreign and Domestic BÖHM-BAWERK-Kapital und Kapitalzins (p. 333); BRINTON-Graphic |