PT - JOURNAL ARTICLE AU - Dean LeBaron AU - Evan Schulman TI - Trading AID - 10.3905/jpm.1981.408836 DP - 1981 Oct 31 TA - The Journal of Portfolio Management PG - 10--12 VI - 8 IP - 1 4099 - https://pm-research.com/content/8/1/10.short 4100 - https://pm-research.com/content/8/1/10.full