Sayın, Gürkan2016-01-082016-01-081993http://hdl.handle.net/11693/17528Ankara : The Faculty of Management and Graduate School of Business Administration of Bilkent Univ., 1993.Thesis (Master's) -- İhsan Doğramacı Bilkent University, 1993.Includes bibliographical references (leaves 27-28).In this study , the presence of winner -1 oser effect in Istanbul Stock Exchange is investigated. Tests are done for the period of January .1988 - December 1992. Past performance is used to form the " Winner " and "Loser" portfolios pri or to the lest period. Duration for past performance measure ments change from 1 month to 48 months.Test periods change from 3 months to 36 months. The results show that, in the first month of the test period, loser portfolio outperforms the winner p o r t f o l i o . This ef f ect is e m p h a s i z e d if the first mont h of the lest period is January. The above results carry similarities with the empirical results obtained from slock markets of USA and Japan.v, 50 leavesEnglishinfo:eu-repo/semantics/openAccessWinner-Loser EffectPast performanceTest periodHG5706.5.I88 S29 1993Stock exchanges--Turkey.Thesis