TY - JOUR T1 - Market efficiency JF - The Journal of Portfolio Management SP - 28 LP - 32 DO - 10.3905/jpm.1985.409033 VL - 12 IS - 1 AU - Robert A. Haugen AU - Edgar Ortiz AU - Enrique Arjona Y1 - 1985/10/31 UR - https://pm-research.com/content/12/1/28.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -