40 INDUSTRIAL REVOLUTION AND WAGES followed, they ‘concluded, that capital and not employees had the economic and moral right to the revenue gains, or profits, which had accrued from the development of a greater productive efficiency. The relative claims of the railroads and their engine crews, as buttressed by exhaustive exhibits of the operat- ing and financial performance of the various companies, were not officially recognized in the awards of the arbitra- tion boards, especially in the Western arbitration, where the supreme effort was made. Very close attention was given to the argument and exhibits, and there was extended discussion, but the final decisions were compromises with- out much regard to evidence, and without passing upon the fundamental principles and theories which had been advanced. These cases, however, marked the beginnings of a new era in wage-adjustments. The theories advanced were not practically accepted or applied in the period before the war, but the seeds of a new idea were sown, much thought and agitation was provoked, exceedingly valuable data were collected and printed, and an educational movement inaugurated which was destined to have undreamed-of practical results during the post-war period. Tae Situation WHEN WE ENTERED THE WORLD WAR Up to the tite, therefore, of our entrance into the World War in 1917, there had been no distinct change in thought or practise as to old wage theories. The law of supply and demand was subconsciously accepted in a general way without serious question. Increases in the cost of living had also practically been taken into consideration in wage- 1 “The Arbitral Determination of Railway Wages,” Chapter IV. “Pro- ceedings and Exhibits of Eastern Firemen’s Arbitration,” New York, 1913, and “Western Engineer’s and Firemen’s Arbitration,” 1915. United States Board of Mediation and Conciliation, Washington, D. C. ——————