PT - JOURNAL ARTICLE AU - Raymond Goldie AU - Keith P Ambachtsheer TI - The Battle of Insider Trading vs. Market Efficiency AID - 10.3905/jpm.1981.408792 DP - 1981 Jan 31 TA - The Journal of Portfolio Management PG - 88 VI - 7 IP - 2 4099 - https://pm-research.com/content/7/2/88.short 4100 - https://pm-research.com/content/7/2/88.full