PT  - JOURNAL ARTICLE
AU  - Peter C. Aldrich
TI  - Active versus passive
AID  - 10.3905/jpm.1987.409123
DP  - 1987 Oct 31
TA  - The Journal of Portfolio Management
PG  - 9--11
VI  - 14
IP  - 1
4099  - https://pm-research.com/content/14/1/9.short
4100  - https://pm-research.com/content/14/1/9.full