Balling M. William F. Sharpe : Portfolio theory and capital markets. New York: McGraw-Hill, 1970. 316 pp. Pris: Kr. 152,50. nt [Internet]. 1970 Jan. 1 [cited 2024 Jul. 14];108. Available from: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/61447