摘要
WiththefastgrowthofChineseeconomic,moreandmorecapitalwillbeinvestedinenvironmentalprojects.Howtoselecttheenvironmentalinvestmentprojects(alternatives)forobtainingthebestenvironmentalqualityandeconomicbenefitsisanimportantproblemforthedecisionmakers.Thepurposeofthispaperistodevelopadecision-makingmodeltorankafinitenumberofalternativeswithseveralandsometimesconflictingcriteria.Amodelforrankingtheprojectsofmunicipalsewagetreatmentplantsisproposedbyusingexports'informationandthedataoftherealprojects.And,therankingresultisgivenbasedonthePROMETHEEmethod.Furthermore,bymeansoftheconceptoftheweightstabilityintervals(WSI),thesensitivityoftherankingresultstothesizeofcriteriavaluesandthechangeofweightsvalueofcriteriaarediscussed.Theresultshowsthatsomecriteria,suchas'proportionofbenefittoprojectcost',willinfluencetherankingresultofalternativesverystrongwhileothersnot.Theinfluencearenotonlyfromthevalueofcriterionbutalsofromthechangingtheweightofcriterion.So,somecriteriasuchas'proportionofbenefittoprojectcost'arekeycriteraforrankingtheprojects.Decisionmakersmustbecautioustothem.
出版日期
2007年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
