Increase in Productivity in terms of industrial goods; "way of life" farmers are something out of past, but have contribution to make; capitalism on trial for its life today, hasn't brought greater economic security; American capital frightened; civilizations don't have to commit suicide; alternative to "fever and chills"; need of clearinghouse to make sure capital invested at right rate; corporations the "Holy of Holies" of the capitalistic system; their power and responsibility; corporations, cooperatives, government ownership; Scandinavian system; quotation from encyclical; need to eliminate periods of over-investment and under-investment; service of corporations to General Welfare.