... distribution in beta values estimated in the construction industries.Hypothesis/Issue3:With the abovereasons, the mean of equityandasset beta values of these listed construction companiestendtoimposeahighrisklevelor beta shouldhigherthan(>)1.4.ResearchMethodologyWeuse the inputdatafrom the livestockexchangemarketinVietNam during the twoyears of financial crisis 20072009toestimateresults.Wedoresearchinthisperiodbecause of asshowninExhibit5,moststockmarketsincludingVietNamstockmarkethas the samedecliningtrendandthisis the timehighlighting financial crisis impacts. ... notedthat the thesethree(3)industriesarerelatedtoeachother,andhighrisk ASIANJOURNAL OF MANAGEMENTRESEARCH 4962.ProblemDefinition During the financial crisis, wepayattentiontoafewissueson the estimating of beta for listed construction companies ... asset beta meanvaluesare0,660and0,439andmaxvaluesare1,111and0,745showsasaferbusinessenvironmentthan the realestateand construction industries.6.4Comparisonamong3 groups of construction companiesHerein the belowchart,wecansee the beta valuemean of listed firmsin the realestateindustryisrelativelyhigherthanthose of listed construction andbuildingmaterialsfirms.Itrejectsour1sthypothesis...