简介:Inthispaper,thecontrolpolicyforenvironmentwithtwokindsofirreversibility,whichworkinoppositedirectionsanduncertaintyofcostisregardedasaninvestmentdecision.Byusingreal-optiontheory,thepaperpresentsthemodeloftheoptimalcontrolpolicyforenvironmentunderthescienceandtechnologythatcanreduceenvironmentpollutionstochasticoccur.Thepaperhasdiscussedtheeffectsofchangesinthevariousparametersonthecriticalvalueatwhichthepolicyshouldbeadopted.Theresultsshowthattheoptimalcontrolpolicyisquitesensitivetothescienceandtechnologywhichcanreduceenvironmentpollutionstochasticoccur,pointingtotheimportanceofcarefullyaccountingforitsimpactindeterminingthecontrolpolicyforenvironment.
简介:Itisaveryimportantandcomplicatedissuetochooseandconfirmtechnologyschemes,whichisalsoacomplicatedsystemengineeringthathascharacteristicssuchasmulti-factor,multi-levelandmulti-goaletc.Soweneedtooptimizeandappraiseitwiththemethodofmulti-goalandmulti-principle.Basedondiscussingtherelationbetweentechnologyandeconomy,thispaperputsforwardthefactorswhichshouldbeconsideredtoappraisetechnologyschemessynthetically,thoughtsandmethodsofvariantvalue-weighted,andbringsforwardanewsyntheticalappraisalmodelwhichcanappraisetechnologyschemesobjectivelyandcomprehensively.