Scott, J. B. (Editor). The Armed Neutralities of 1780 and 1800: A Collection of Official Documents Preceded by the Views of Representative Publicists. New York: Oxford University Press. 1918. pp. 698. $5.00. (Directeur). Les conventions et déclarations de la Haye de 1899 et 1907. New York: Oxford University Press. 1918. pp. 318. $2.00. (Dotation Carnegie pour la Paix Internationale.) (Editor). The Treaties of 1785, 1799 and 1828 between the United States and Prussia. New York: Oxford University Press. 1918. pp. 207. $2.00. (Publication of the Carnegie Endowment for International Peace.) (Editor). Une cour de justice internationale. New York: Oxford University Press. 1918. pp. 269. $2.50. (Dotation Carnegie pour la Paix Internationale.) Slingerland, W. H., and Hart, H. H. Child-Placing in Families: A Manual for Students and Social Workers. New York: Russell Sage Foundation. 1919. pp. 267. $2.00. Stauffer, Vernon. New England and the Bavarian Illuminati. New York: Longmans, Green & Co. 1919. pp. 374. $3.50. (Columbia University Studies in History, Economics and Public Law, Vol. LXXXII, No. 1.) Tead, Ordway. Instincts in Industry. Boston: Houghton Mifflin Co. 1918. pp. 222. $1.40. The People's Part in Peace. New York: Henry Holt & Co. 1918. pp. 156. $1.10. Tyau, M. T. Z. China's New Constitution and International Problems. Shanghai: The Commercial Press. 1918. pp. 286. $3.00. (With Introductory note to Part I, by Paul S. Reinsch.) The Legal Obligations Arising out of Treaty Relations between China and other States. Shanghai: The Commercial Press. 1918. pp. 304. $3.50. (With Prefaces by John Macdonell and Wu Ting-fang.) Warner, A. G. American Charities. New York: Thomas Y. Crowell Co. 1919. pp. 541. $2.50. (Third Edition revised by Mary Roberts Coolidge.) Young, A. N. Finances of the Federal District of Mexico. Mexico: Government of Mexico. 1919. pp. 71. (Investigation made under the direction of the Comisión de Reorganización Administrativa y Financiera República Mexicana. Published by Harvard University Books, periodicals, and manuscript to be addressed, EDITORS of QUARTERLY JOURNAL OF ECONOMICS, Cambridge, Mass. Business letters to be addressed, HARVARD UNIVERSITY PRESS, Randa!! Hall, Cambridge, Mass. Subscription, $3.00 a year. CONTENTS FOR NOVEMBER, 1918 I. THE WHEAT AND FLOUR TRADE UNDER FOOD ADMINIS- II. THE PRICE-FIXING OF COPPER III. AN ESTIMATE OF THE STANDARD OF LIVING IN CHINA IV. RAILWAY SERVICE AND REGULATION Wilfred Eldred Lewis Kennedy Morse C. G. Dittmer C. O. Ruggles APPENDIX REVIEWS: Laughlin's Credit of the Nations Adams' American Railway Accounting NOTES AND MEMORANDA: Organization of American Railroads under Government Con- The Behavioristic Man E. L. Bogart W. J. Cunningham Brice Clagett T. N. Carver CONTENTS FOR FEBRUARY, 1919 I. PRICE-FIXING AS SEEN BY A PRICE-FIXER II. THE BURDEN OF WAR AND FUTURE GENERATIONS! III. WAGE THEORY AND THEORIES IV. THE TAXATION OF LUXURIES AND THE RATE OF F. W. Taussig A. C. Pigou H. J. Davenport A. F. McGoun Lou's B. Wehle T. N. Carver NOTES AND MEMORANDA: International Trade and Prices COPYRIGHT, 1919, BY HARVARD UNIVERSITY. J. E. Norton [Entered as Second-class Mail Matter. Acceptance for mailing at special postage rate provided for by Section 1103, Act of October 3, 1917, authorised on July 31, 1918.] THE QUARTERLY JOURNAL OF ECONOMICS MAY, 1919 THE RELATIONS OF RECENT PSYCHO- ECONOMIC THEORY SUMMARY The purely objective factors in economics, 377.- Psychological principles necessarily used in addition, 381.—Social assumptions, 385. Psychical factors are human motives, 387; their analysis needed for most social problems, 389. — Adequacy of psychology assumed in economic theory in dispute, 390, Analysis of arguments pro and con, 392. Hedonistic foundation, 394. · Costless production, 401. - Industrial peace, 404.- Sums of utility, 406.- Social demand, 407. — Institutional economics, 409. Most accurate psychology needed, of producers' motives, 415; of consumers' demands, 419. In spite of several attempts made in recent years to improve upon economic theory by renovating its psychology, economists in general do not perceive that psychological debates are relevant to economics. They have not been convinced that any real economic principles have been invalidated by the "new psychology" that has been exhibited to them, or that the latter promises any profitable extension of the body of economic theory. It is said, for instance, that the generalized man assumed by our theory, who was supposed to pursue his economic interests in usually reasonable ways, must be |