PT - JOURNAL ARTICLE AU - Jerry C Wagner AU - Steve Shellans AU - Richard Paul TI - Market Timing Works Where it Matters Most… in the Real World AID - 10.3905/jpm.1992.409415 DP - 1992 Jul 31 TA - The Journal of Portfolio Management PG - 86--90 VI - 18 IP - 4 4099 - https://pm-research.com/content/18/4/86.short 4100 - https://pm-research.com/content/18/4/86.full