BALLING, M. William F. Sharpe : Portfolio theory and capital markets. New York: McGraw-Hill, 1970. 316 pp. Pris: Kr. 152,50. Nationaløkonomisk tidsskrift, [S. l.], v. 108, 1970. Disponível em: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/61447. Acesso em: 12 aug. 2024.