PT - JOURNAL ARTICLE AU - Leonall C. Andersen TI - Dilemmas in the Trends of Capital and Productivity AID - 10.3905/jpm.1976.408574 DP - 1976 Jul 31 TA - The Journal of Portfolio Management PG - 59--64 VI - 2 IP - 4 4099 - https://pm-research.com/content/2/4/59.short 4100 - https://pm-research.com/content/2/4/59.full