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1、外文翻译原文1MatchingModelsforPreference-sensitiveGroupPurchasingMatchingbuyersandsellersisoneofthemostfundamentalproblemsineconomicsandmarketdesign.Aninterestingvariantofthematchingproblemariseswhenself-interestedbuyerscometogetherinordertoinducesellerstoofferquantityorvolumediscounts,asiscommo

2、ninbuyingconsortia,andmorerecentlyintheconsumergroupcouponingspace(e.g.,Groupon).Weconsiderageneralmodelofthisprobleminwhichagrouporbuyingconsortiumisfacedwithvolumediscountoffersfrommultiplevendors,butgroupmembershavedistinctpreferencesfordifferentvendorofferings.Unlikesomerecentformulati

3、onsofmatchinggamesthatinvolvequantitydiscounts,thecombinationofvaryingpreferencesanddiscountscanrenderthecoreofthematchinggameempty,inboththetransferableandnontransferableutilitysense.Thus,insteadofcoalitionalstability,weproposeseveralformsofNashstabilityundervariousepistemicandtransfer/pa

4、ymentassumptions.Weinvestigatethecomputationofbuyer-welfaremaximizingmatchingsandshowtheexistenceoftransfers(subsidizedprices)ofaparticularlydesirableformthatsupportstablematchings.Wealsostudyanontransferableutilitymodel,showingthatstablematchingsexist;andwedevelopavariantoftheprobleminwhi

5、chbuyersprovideasimplepreferenceorderingover“deals”ratherthanspecificvaluations—amodelthatisespeciallyattractiveintheconsumerspace—whichalsoadmitsstablematchings.Computationalexperimentsdemonstratetheefficacyandvalueofourapproach.CategoriesandSubjectDescriptors:I.2.11[DistributedArtificial

6、Intelligence]:MultiagentSystems;J.4[ComputerApplications]:SocialandBehavioralSciences—EconomicsGeneralTerms:Algorithms,Economics,TheoryAdditionalKeyWordsandPhrases:stablematching,preferences,demandaggregation,grouppurchasing,volumediscounts,dailydeals,cooperativegames.1.INTRODUCTIONMatchin

7、gbuyersandsellersisoneofthemostfundamentalproblemsineconomicsanddeal”providerslikeGrouponandLivingSocial(andservicesthataggregatesuchdeals)haspropelledgroupdiscountsintothepublicconsciousness.Groupbuyinganddemandaggregationhasbeenstudiedfromseveralperspectives