简介:Alongwiththeprogressofurbanizationandenviron-mentaldeterioration,residents’desireforimprovedairqualityisincreasing.Inordertoquantifyanindividual’swillingness-to-pay(WTP)forimprovedairqualityinJinanofeasternChina,acontingentvaluationmethod(CVM)wasemployed.Asampleof1,500residentswaschosenonthebasisofmultistagesamplingmethodswithface-to-faceinterviewsbyusingaseriesofhypo-thetical,open-endedscenarioquestionswhichweredesignedtoelicittherespondents’WTP.Resultsshowedthat59.7%ofrespondentswereabletoexpresstheirWTPandthemeanWTPis100ChineseYuan(CNY)perpersonperyear.AprobitmodelontheprobabilityofapositiveWTPandaregressionmodelweredevelopedtofindtherelationshipbetweenendogenousvariablesandWTP.Mostparametersintheeconometricanalysishadtheexpectedsign.AnnualhouseholdincomeandexpenditureontreatingrespiratorydiseasessignificantlyinfluenceWTP.TheratesofpositiveWTPandthemonetaryamountarelargerformenthanforwomen.Resultsalsoshowedthatpeoplewholivedinmorepollutedareaswerewillingtopaymoreforcleanair.Unlikedevelopedcountries,cleanairmayonlybeconsideredasapublicgoodinChinainthatmorethan40%ofrespondentshadnoincen-tivetobearthecostsofattemptingtoachievebetterairquality,whichindicatestherelativelylowenvironmentalconsciousness.
简介:Althoughchemicalcontrolofpestsincreasescropproduction,itbringsalotofdamagetoenvironmentandhumanhealth.Thereexistanumberofalternativemethodsthatarenotsoharmfultoenvironmentandhumanhealth.However,whetherandhowmuchinextentthesetechnologiesadoptedareplausibledependsonthecomparisonofbenefit-costbetweenchemicalcontrolandthealternativecontrolmethods(suchasIntegratedPestManagement,IPM)andfarmers'willingness-to-pay(WTP)forenvirormentandhumanhealth.Usingcontingentvaluationmethod(CVM),theauthorinvestigatesfarmers'WTPforenvironmentandhumanhealth,recognizesthefactorsinfluencingWTP,andaccordinglypointsouttheimportanceofpestcontroltechnologyextensionandgovernmentregulationofpesticides.
简介:ZouYan,female,researcher,majoringinevidence-basedmedicine,graduatedfromWestChinaSchoolofMedicine,SichuanUniversityandgainedadegreeofMedicalDoctor.Shehadbeenengagedinclinicalworkofobstetricsandgynecologyfortenyears.Currently,sheworksasHeadofWomenClinicalLaboratoryintheScientificResearchInstituteofNationalHealthandFamilyPlanningCommission,andamasterinstructorofDepartmentofObstetricsandGynecologyinPekingUnionMedicalCollege.
简介:Weusestructuralequationtechniquetotestfourhypothesisrelationshipsbetweenthemanagerialpayandfirmperformance.Datafrom208Chineselistedcompaniesisused,theevidencesupportsHypothesis3.Itopensoutthatownershipconcentrationaffectsfirmperformanceindirectlythroughmanagerialpay,andillustratesmanagerialpayisavalidmechanismincorporategovernancetomotivatemanagertomaximizefirm'sperformance.Atthesametime,wefindownershipconcentrationisnegativetomanagerialpay,whileIPOtimeandregistrationareasarepositivetomanagerialpayobviously.Itsuggeststhatfindingacorrectsolutiontomanagementincentiveisthekeytoimprovefirmperformance.
简介:Publicwillingnesstopay(WTP)forurbanriversrestorationwasinvestigatedinShanghai,NanjingandHangzhouinChinawithasampleof1,285.ThefactorsinfluencingpositiveWTPagainstzeroWTPareanalyzedusingabinarylogitmodel.Theresultsindicatethatincome,Huji(residentialregistration)status,householdsize,homepropertyownership,riverfrontaccess,andattitudestowardcurrentwaterqualityarestatisticallysignificantinthelikelihoodofpositiveWTP.ItisalsofoundthatrespondentswithoutlocalHujiarelesswillingnesstopaypositivelyinpooledsampleandShanghaisample.InthegroupholdingpropertyrightofhousebutwithoutlocalHujiislesswillingnesstopaypositivelyinHangzhou.RespondentsinNanjingaremorewillingnesstopaypositivelythanthoseinHangzhou.Mostcommonargumentsagainsttopayfortherestorationare"government’sduty","lowincome","non-local-Huji"and"lackoftrustinthegovernmentinhowitspendsmoney".TheresultsaregenerallyconsistentwiththehypothesisandspecificsituationsinChina.Thefindingsmakesomecontributionstothenon-marketvaluationstudiesaswellasprovideusefulinformationforpublicpolicymakinginChina.
简介:TheCountryParksofHongKongoccupy40%ofthetotallandmassofHongKong,andconsistsofvastareasofsecondarywoodlands,scrublands,grasslands,andreservoirs.Thatvegetation-andthesoilunderneathsubtractcarbonfromtheatmosphere,whichhasamarketvalue.Theaimofthispaperistoestimatethevalueofthatcarbon,toassesswhetherthatvaluewouldbesufficienttopayfortheupkeepoftheCountryParks,andtocomparethatvaluetothecostsofalternativewaystoreduceatmosphericcarbondioxide.Todothis,wecomparethelandcoverof1978,1991,1997and2004usingremotesensing,andidentifythethreepredominantlandcovers(woodlands,scrublands,grasslands).WethenestimatetheamountandvalueofthecarbonsequesteredbythevegetationandsoiloftheCountryParks,andcompareittothebudgetavailabletotheAgriculture,FisheriesandConservationDepartmenttoruntheCountryParks(HK$234millionin2009/2010).Weextrapolateourresultsover50years,from1978to2028.Weconcludethatby2028thecarbonsequesteredwouldbevaluedoverHK$800million,butthevalueoftheadditionalcarbonsubtractedyearlywouldonlycoverapproximately7%ofthetotalbudgetneededtoruntheCountryParks.WealsoconcludethatbecauseofthelargebudgetallocatedtotheCountryParks,alternativemethodsofcarbonsequestration-representedbytheEUETSpriceofcarbon-aremuchcheaper.