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1、PublicGoodsandCommonResources©2015CengageLearning.AllRightsReserved.Maynotbecopied,scanned,orduplicated,inwholeorinpart,exceptforuseaspermittedinalicensedistributedwithacertainproductorserviceorotherwiseonapassword-protectedwebsiteforclassroomuse.1TheDifferen
2、tKindsofGoodsExcludabilityPropertyofagoodwherebyapersoncanbepreventedfromusingitRivalryinconsumptionPropertyofagoodwherebyoneperson’susediminishesotherpeople’suse©2015CengageLearning.AllRightsReserved.Maynotbecopied,scanned,orduplicated,inwholeorinpart,except
3、foruseaspermittedinalicensedistributedwithacertainproductorserviceorotherwiseonapassword-protectedwebsiteforclassroomuse.2TheDifferentKindsofGoodsPrivategoodsExcludable&RivalinconsumptionPublicgoodsNotexcludable&NotrivalinconsumptionCommonresourcesRivalincons
4、umption&NotexcludableClubgoodsExcludable&NotrivalinconsumptionOnetypeofnaturalmonopoly©2015CengageLearning.AllRightsReserved.Maynotbecopied,scanned,orduplicated,inwholeorinpart,exceptforuseaspermittedinalicensedistributedwithacertainproductorserviceorotherwis
5、eonapassword-protectedwebsiteforclassroomuse.3Figure1©2015CengageLearning.AllRightsReserved.Maynotbecopied,scanned,orduplicated,inwholeorinpart,exceptforuseaspermittedinalicensedistributedwithacertainproductorserviceorotherwiseonapassword-protectedwebsiteforc
6、lassroomuse.FourTypesofGoodsGoodscanbegroupedintofourcategoriesaccordingtotwocharacteristics:(1)Agoodisexcludableifpeoplecanbepreventedfromusingit.(2)Agoodisrivalinconsumptionifoneperson’suseofthegooddiminishesotherpeople’suseofit.Thisdiagramgivesexamplesofgo
7、odsineachcategory.4TheDifferentKindsofGoodsPublicgoodsandcommonresourcesNotexcludablePeoplecannotbepreventedfromusingthemAvailabletoeveryonefreeofchargeNopriceattachedtoitExternaleffectsPositiveexternalities(publicgoods)Negativeexternalities(commonresources)©
8、2015CengageLearning.AllRightsReserved.Maynotbecopied,scanned,orduplicated,inwholeorinpart,exceptforuseaspermittedinalicensedistributedwithacertainproductorserviceorotherwiseonapassword-pr
