PT - JOURNAL ARTICLE AU - Burton G. Malkiel AU - Yexiao Xu TI - Risk and Return Revisited AID - 10.3905/jpm.1997.409608 DP - 1997 Apr 30 TA - The Journal of Portfolio Management PG - 9--14 VI - 23 IP - 3 4099 - https://pm-research.com/content/23/3/9.short 4100 - https://pm-research.com/content/23/3/9.full