Inthispaper,weintroducethecombiningstatedpreferenceandrevealedpreferencemethodswhichisthestate-ofthe-artmethodforthevaluationofnon-marketgoods.Revealedpreferencemethodsandstatedpreference(SP)methodshavebothbeenappliedbyeconomistsinvaluingnon-marketgoods;howeverbothmethodshaveinherentweaknesses.Inordertoexploitthestrengthsofthevariousapproacheswhileminimizingtheirweaknesses,combiningthetwomethodshasbecomeanimportantmethodologicaloption.Uptonow,agrowingnumberofliteraturesofstudyingcombingthetwotypesofdatahaveevolved,andresearchersdevelopedthreetypesofmodelstoestimatecombiningrevealedpreferenceandstatedpreferencedatainacademicfields:discretechoicemodel,continuouschoicemodelandmixedchoicemodel.Combiningstatedandrevealedpreferencemethodshavebeendevelopedfastespeciallyinthetransportstudyfieldinwhichideascouldalsobeleantforenvironmentaleconomicstudies.
