This is a many-sided attack on a complex relationship. After Moses Abramovitz's Introduction, Simon Kuznets and Raymond Goldsmith examine sources and channels of finance in capitalist countries. Gregory Grossman and F. D. Holzman then analyze the Soviet experience. The effects of entrepreneurship and business organization concern Bert Hoselitz in his study of Britain and France, Thomas Cochran considers their bearing on American capital formation, and Henry Aubrey and Marion Levy discuss them in the context of underdeveloped areas. Abbott Payson Usher and W. Rupert Maclaurin relate invention and innovation to investment; Adolph Lowe analyzes the physical composition of investment required for balanced growth.