The rate and direction of inventive activity economic and social factors. - Universities-National Bureau Committee for Economic Research; Social Science Research Council. Committee on Economic Growth (Princeton Princeton University Press, 1962)
A conference of the Universities-National Bureau Committee for Growth of the Social Science Research Council.
Reprint of the ed. published by Princeton University Press, Princeton, as v. 13 of the Special Conference series of the National Bureau of Economic Research.
Keywords: Inventions