学科分类
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3 个结果
  • 简介:Inthispaper,weintroducethecombiningstatedpreferenceandrevealedpreferencemethodswhichisthestate-ofthe-artmethodforthevaluationofnon-marketgoods.Revealedpreferencemethodsandstatedpreference(SP)methodshavebothbeenappliedbyeconomistsinvaluingnon-marketgoods;howeverbothmethodshaveinherentweaknesses.Inordertoexploitthestrengthsofthevariousapproacheswhileminimizingtheirweaknesses,combiningthetwomethodshasbecomeanimportantmethodologicaloption.Uptonow,agrowingnumberofliteraturesofstudyingcombingthetwotypesofdatahaveevolved,andresearchersdevelopedthreetypesofmodelstoestimatecombiningrevealedpreferenceandstatedpreferencedatainacademicfields:discretechoicemodel,continuouschoicemodelandmixedchoicemodel.Combiningstatedandrevealedpreferencemethodshavebeendevelopedfastespeciallyinthetransportstudyfieldinwhichideascouldalsobeleantforenvironmentaleconomicstudies.

  • 标签: 市场化 偏好 显示 商品 估值 离散选择模型
  • 简介:TheTaoerRiverbasinistheepitomeinthewestofNortheastChinaanditisoneofthemostfragileandsensitiveecoregions.Thus,protectionofwaterqualityoftheTaoerRiverisimportant.Notonlypointsourcepollutionbutnon-pointsource(NPS)pollutionresultsindeterioratingwaterquality.Inthisstudy,long-termhydrologicimpactassessmentmodelwasusedtoevaluatetheimpactsoflandusechangeimpactsonNPSpollution,andthereplacementcostmethodwasusedtocalculatetheeconomiclosscausedbyNPSpollution.ThroughanalyzingtheNPSpollutantloadsofdifferentlandcategoriesandtheeconomicloss,thearticleputsforwardthatthereexistsacloserelationshipbetweenland-usetypesandNPSpollution,andagriculturalpollutionisthemaincomponentoftheNPSpollutioninthisarea.Theresultsofthisstudycanprovidedecision-makingbasisforagriculturaldevelopmentandland-usechange.

  • 标签: 非点源污染 洮儿河流域 土地利用变化 中游 上游 中国东北地区