PT - JOURNAL ARTICLE AU - Robert A. Strong TI - The impact of Mayday on diversification costs AID - 10.3905/jpm.1981.408808 DP - 1981 Apr 30 TA - The Journal of Portfolio Management PG - 77--78 VI - 7 IP - 3 4099 - https://pm-research.com/content/7/3/77.short 4100 - https://pm-research.com/content/7/3/77.full