Kim, Seong Moon. Çѱ¹ ÁֽĽÃÀå¿¡¼ ºñ¼±Çü°èȹ¹ýÀ» ÀÌ¿ëÇÑ ¸¶ÄÚÀ§Ã÷ÀÇ Æ÷Æ®Æú¸®¿À ¼±Á¤ ¸ðÇüÀÇ ÅõÀÚ ¼º°ú¿¡ °üÇÑ ¿¬±¸ °æ¿µ°úÇÐ 26 : 19~35
¹ßÇ¥³âµµ: 2009 | ºÐ¾ß: ODI
ThispaperinvestigatedperformanceoftheMarkowitz¡¯sportfolioselectionmodelwithapplicationstoKoreanstockmarket.WechoseSamsung-Group-FundsandKOSPIindexforperformancecomparisonwiththeMarkowitz¡¯sportfolioselectionmodel.ForthemostrecentoneandahalfyearperiodbetweenMarch2007andSeptember2008,KOSPIindexalmostremainedthesamewithonly0.1%change,Samsung-Group-Fundsshowed20.54%return,andMarkowitz¡¯smodel,whichiscomposedofthesame17Samsunggroupstocks,achieved52%return.Weperformedsensitivityanalysisonthedurationoffinancialdataandthefrequencyofportfoliochangeinordertomaximizethereturnofportfolio.Inconclusion,accordingtoourempiricalresearchresultswithSamsung-Group-Funds,investmentbyMarkowitz¡¯smodel,whichperiodicallychangesportfoliobyusingnonlinearprogrammingwithonlyfinancialdata,outperformedinvestmentbythefundmanagerswhopossessrichexperiencesonstocktradingandactively