PT - JOURNAL ARTICLE AU - Joel Hasbrouck AU - Robert A. Schwartz TI - Liquidity and execution costs in equity markets AID - 10.3905/jpm.1988.409160 DP - 1988 Apr 30 TA - The Journal of Portfolio Management PG - 10--16 VI - 14 IP - 3 4099 - https://pm-research.com/content/14/3/10.short 4100 - https://pm-research.com/content/14/3/10.full