IT项目管理成本管理(第七章)ppt课件.ppt

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1、Chapter7:ProjectCostManagementChapter7:ProjectCostManagementTheImportanceofProjectCostManagementBasicPrinciplesofCostManagementPlanningCostManagementEstimatingCostDeterminingtheBudgetControllingCostUsingSoftwaretoAssistinCostManagementTheImportanceofProject

2、CostManagementITprojectshaveapoortrackrecordinmeetingbudgetgoals.TheCHAOSstudiesfoundtheaveragecostoverrun(theadditionalpercentageordollaramountbywhichactualcostsexceedestimates)rangedfrom180percentin1994to43percentin2010A2011HarvardBusinessReviewstudyreporte

3、danaveragecostoverrunof27percent.Themostimportantfindingwasthediscoveryofalargenumberofgiganticoveragesor“blackswans”3WhatisCost?Costisaresourcesacrificedorforegonetoachieveaspecificobjective,orsomethinggivenupinexchange.Thereasonsofcostoverrun:Theoriginalcos

4、testimatesforITprojectsarelowtobeginwithorbasedonveryunclearprojectrequirementsNotemphasizingtheimportanceofrealisticprojectcostestimatesfromtheoutset.Manyinformationtechnologyprofessionalsthinkpreparingcostestimatesissjobofaccountants.Preparinggoodcostestima

5、tesisaverydemanding,importantskillthatallinformationtechnologyprofessionalsneedtoacquire.Manyinformationtechnologyprojectsinvolvenewtechnologyorbusinessprocesses.Costgrowandfailurearetobeexpected?Wrong.Usinggoodprojectcostmanagementcanchangethisfalseperceptio

6、n.4WhatisProjectCostManagement?Projectcostmanagementincludestheprocessesrequiredtoensurethattheprojectiscompletedwithinanapprovedbudget.Itisprojectmanager’sjobtosatisfyprojectstakeholderswhilecontinuouslystrivingtoreduceandcontrolcosts.5ProjectCostManagementP

7、rocessesPlanningcostmanagement:determiningthepolicies,procedures,anddocumentationthatwillbeusedforplanning,executing,andcontrollingprojectcost.Estimatingcost:Developinganapproximationorestimateofthecostsoftheresourcesneededtocompleteaproject.Determiningthebud

8、get:Allocatingtheoverallcostestimatetoindividualworkitemstoestablishabaselineformeasuringperformance.Costcontrol:Controllingchangestotheprojectbudget.6Projectcostmanagementsummary7Chapter