ICIO　data　have　proven　itself　to　be　a　reliable　source　for　the　analysis　of　economic　globalization,　with　which　sectors　all　over　the　world　could　be　constructed　into　a　sophisticated　GVC,　bringing　the　advantages　of　simultaneous　study　on　international　and　domestic　economies　in　detail　as　a　holistic　network.　This　paper　uses　OECD-WTO　TiVA　data　to　set　up　GIVCN-TiVA　networks　as　the　general　analytical　framework,　depicting　the　transferring　process　of　intermediate　goods　among　sectors　of　various　countries/regions.　Secondly,　the　conception　of　brokerage　roles　in　SNA　has　been　adopted　to　redefine　sector＇s　function　while　linkage　exists　between　its　upstream　providers　and　downstream　consumers,　referred　to　as　＂Trade　Brokerage　Property＂,　as　well　as　to　quantify　the　ratio　of　each　types　of　the　roles.　Thirdly,　a　set　of　simulations　have　been　defined　to　testify　the　contribution　that　different　TBPs　incur　to　the　robustness　of　global　economic　system.　Finally,　analyses　on　TBPs　and　NTBPs　have　been　carried　out　in　the　levels　of　industry　and　country/region,　respectively.