01123nam0 2200301 450 00002767020100913144833.020100729d2000----km-y0itay50------baengGBy-------001yyAfrican stock marketsmultiple variance ratio tests of random walksGraham SmithKeith JefferisHung-Jung RyooLondonUniversity of London, School of Oriental and African studies2000[28] p.21 cmWorking paper series / University of London, School of Oriental and African studies, Department of economicsn. 942001African stock markets41789Economia33020Smith,Graham401129Jefferis,Keith119427Ryoo,Hyun-Jung633888University of London, School of Oriental and African studies, Department of economicsITUNIPARTHENOPERICAUNIMARC000027670WP SOAS 330/9442532NAVA12010African stock markets41789UNIPARTHENOPE