PT - JOURNAL ARTICLE AU - Hans R. Stoll TI - Portfolio trading AID - 10.3905/jpm.1988.409166 DP - 1988 Jul 31 TA - The Journal of Portfolio Management PG - 20--24 VI - 14 IP - 4 4099 - https://pm-research.com/content/14/4/20.short 4100 - https://pm-research.com/content/14/4/20.full