3、minedthepatternsofstockreturnsin1953,heconcludedthatthestockmarketwas__________.Now,theserandompricemovementsarebelievedtobe_________. A. inefficient;theeffectofawell-functioningmarketB. efficient;theeffectofaninefficientmarketC. inefficient;theeffect
4、ofaninefficientmarketD. efficient;theeffectofawell-functioningmarketE. irrational;evenmoreirrationalthanbefore 3.Thestockmarketfollowsa A. nonrandomwalk.B. submartingale.C. predictablepatternthatcanbeexploited.D. nonrandomwalkandpredictablepatternthat