PT - JOURNAL ARTICLE AU - Mark Tapley TI - Offshore alphas AID - 10.3905/jpm.1980.408730 DP - 1980 Jan 31 TA - The Journal of Portfolio Management PG - 76--76 VI - 6 IP - 2 4099 - https://pm-research.com/content/6/2/76.short 4100 - https://pm-research.com/content/6/2/76.full